Sally has seventy dollars to spend on eight books. After buying them she had thirteen dollars. How much did each book cost?
2 answers:
Answer:
$5
Step-by-step explanation:
70-30=40 You started with 70 and ended with 30.
40/8=5 You spent $40 on 8 books. Each book was $5.00.
Answer:
7.13 each
Step-by-step explanation:
70 - 13 = 57. Divide 57/8 and get your answer
(7.125 rounded is 7.13)
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The answer is the first one
X = first number
x - 8 = 2nd number
5x = 3rd number
x + x - 8 + 5x = 69
7x - 8 = 69 <=== this is the equation u would use
7x - 8 = 69
7x = 69 + 8
7x = 77
x = 11
1st number = 11
2nd number : x - 8 = 11 - 8 = 3
3rd number : 5x = 5(11) = 55
Answer:
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