# The Youth's Assistant in Theoretick and Practical Arithmetic

D. Watson, 1826 - Arithmetic - 164 pages

### Contents

 Addition 51 Subtraction of 58 PROPORTION 70
 SECTION V 87 PART II 116 Arithmetical Progression 128

### Popular passages

Page 163 - I am lawfully seized in fee of the premises ; that they are free of all incumbrances ; that I have good right to sell and convey the same to the said David to hold as aforesaid.
Page 164 - He shall not waste the goods of his said Master nor lend them unlawfully to any.
Page 128 - Given the first term, last term, and common difference, to find the number of terms. RULE. — Divide the difference of the extremes by the common difference, and the quotient increased by 1 is the number of terms.
Page 65 - ... second and third places ; observing to increase the second place by 5, if the shillings be odd, and the third place by 1, when the farthings exceed 12, and by 2 when they exceed 37.
Page 162 - I do covenant with the said Elvin Fairface, his heirs and assigns, that I am lawfully seized in fee of the afore granted premises: That they are free of all incumbrances : That I have good right to...
Page 104 - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit.
Page 55 - To reduce fractions of different denominators to equivalent fractions having a common denominator. RULE.! Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Page 127 - ... the terms, RULE. Multiply the sum of the extremes by the number of terms, and half the product will be the sum of the terms.
Page 161 - States for the district of , in the full and just sum of dollars, to be paid to the said , his executors, administrators, or assigns, to which payment, well and truly to be made, we bind ourselves, our heirs, executors, and administrators, jointly and severally, by these presents. Signed and sealed this day of , AD 189—.
Page 98 - DISCOUNT. DISCOUNT is an allowance made for the payment of any sum of money before it becomes due ; and is the difference between that sum due some time hence, and its present worth. The present worth of any sum, due some time hence, is such a sum, as, if put to interest, would in that time, and at the rate per cent.