You bought 11 books for $42.35 how much would 15 books cost

Question

asked Apr 1, 2020 43.3k views

2 Answers

Rani Radcliff · Answer 1 · 2020-04-03T17:24:38+0000

Answer:

57.75

Explanation:

First I found the unit rate by dividing 42.35 by 11, which is 3.85.

second i multiplied the unit rate by 15 and got 57.75

Dinesh Ygv · Answer 2 · 2020-04-04T23:55:18+0000

Answer:

$57.75

Explanation:

If 11 books cost $42.35,

11b=42.35

b=42.35/11

b=3.85

15 books will cost 15b.

15b

= 15*3.85

= 57.75.

15 Books will cost $57.75.