13. What is the fum of 61,-124-71-871, 4,687,-41,100,-and 75? 61 7 124 7 71 8 871 7 4 4 687 3 41 5 100 I 75 3 Sam 2034 Proof 2034 14. What is the fum of 871,-530-21, -634,-813,-109,-and 2000? Anf. 4978, 15. Add 87121,-418,-3712,-41,-7182,-41, -718, and 1000 into one fum Anf. 100233. 16. A man was born in the year of our Lord 1712; when will he be 78 years of age? Anf. 1790. 17. What is the fum of five hundred and four, fix thousand and five, two millions and a half, twelve hundred and eighty, and forty-seven? Anf. 2507836. 18. Add eleven thoufand four hundred and ten, 17680, five hundred and feventy-fix, fix millions and four, 2714, and 1870 into one fum. Anf. 6034254. 19. A gentleman left his eldest fon 17180 pounds; to each of his other three fons 6180 pounds; 4015 pounds a piece to each of his four daughters; 8019 pounds in fmall legacies; and 4000 pounds to his widow; how much did he leave in all? Anf. 63799. 20. How many fhillings are there in a pound, a crown, a guinea, a moidore, and a fix and thirty? Anf. 109. 21. There are two numbers whofe difference is 34, and the lesser number is 56; what is the greater number? Anf, 90. 22. From Darlington to Durham is 18 miles, from thence to Newcastle 15 miles, thence to Morpeth 15 miles, thence to Berwick 48 miles, and from thence to Edinburgh 54 miles; how many miles is it from Darlington to Edinburgh? Anf. 150. 23. A perfon was 12 years of age 17 years fince, and he will be married 9 years hence; year of his age will that happen? pray in what Anf. 38. SUBTRACTION of SIMPLE QUANTITIES. Subtraction of fimple quantities teacheth to take a lefs fimple number from a greater one, and thereby fhews the difference or remainder. RU UL L E. Write the lefs number under the greater, placing units under units, tens under tens, &c. and draw a line below the lefs number. Then, beginning with the units, fubtract each figure from that above it, and write the remainder under them. But when the upper figure is lefs than the lower one, add ten to the upper figure in your mind, and then fubtract, for which ten you muft add one to the next lower figure. Add the remainder to the lefs number, and if the fum is equal to the greater number the work is right. EXAMPLE S. 14. From 618428 take 107674. Anf. 510754. 15. What is the difference between 491218, and two millions, fourteen thousand, and twelve? Anf. 1522794. 16. How 16. How much is 498271 fhort of three millions? Anf. 2501729. 17. What number muft I add to 414187, to make the fum 1047679? Anf. 633492. 18. How much does 618141 exceed 171219? Anf. 446922. 19. Subtract the fum of 17187 and 13121, from the fum of 29148 and 15010. Anf. 13850. 20. How much is A, whofe age is 87, older than B, whofe age is 39? Anf. 48 years. 21. The greater of two numbers is 187, and the leffer 64; what is their difference and fum ? Anf. 123 diff.-251 fum. 22. What is the difference between 417141 and twice 121118? Anf. 174905. 23. Suppofe a man was born in the year of our Lord 1721, how old is he this present year, being 1790 ? Anf. 69. 24. If I am 36 years older than you now; what will be the difference of our ages 18 years after my decease, in cafe you fhould then survive? Anf. 18 years. 25. A grant was made by the crown anno 1239, which was forfeited 137 years before the revolution in 1688; how long did the fame fubfift? Anf. 312 years. MULTIPLICATION of SIMPLE QUANTITIES. Multiplication of fimple quantities teacheth how to multiply any fimple number by another, so often as there are units in the multiplying number. The number to be multiplied, is called the multiplicand. The number multiplied by, is called the multiplier The number arifing from the multiplication, is called the product. The multiplier and multiplicand are alfo frequently called factors or terms. TABLE 11 | 22 | 33 | 44 55 66 77188 99 110 121 132 132 144 Write the multiplier under the multiplicand, placing units under units, &c. and draw a line under them. Then, begin at the right hand of the multiplicand, and multiply each figure in it by the multiplier, writing down the whole of fuch products as are less than ten; but for fuch as are juft equal to a certain number of tens, write down a cipher, and carry one for each ten to the next product; and for fuch as exceed a certain number of |