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nydus/The First Steps in AlgebraPublic

Page 173 of 226

Table of Contents

Cube Roots of Compound Expressions.

A, $ $60$ ; B, $ $30$ .

$ $3$ quarters; $6$ bills.

$14$ .

$ $4$ quarters; $20$ half-dollars.

$ $7$ ten-dollar bills; $21$ one-dollar bills.

Father, $32$ yr.; son, $8$ yr.

$20$ .

[2]Exercise14.

$9$ miles.

$ $60$ .

$ $20$ lb. at $65$ cts.; $60$ lb. at $45$ cts.

$40$ .

$15, 000$ .

$15$ in.; $21$ in.

$ $2$ doz. at $25$ cts.; $5$ doz. at $20$ cts.

$ $6$ quarters, $18$ ten-cent pieces.

[4]Exercise15.

$40 c$ .

$24 a$ .

$39 x$ .

$51 y$ .

$- 26 a$ .

$- 40 x$ .

$- 17 b$ .

$- 66 z$ .

$- 20 m$ .

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