Question

Jack bought 8 drill bits for $1.22 each, 10 washers for $0.11 each, and 2 hammers for

$4.59 each.

a. Estimate the total cost. Then calculate it exactly.

b. How much was his change from $50?​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

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a. estimated cost - $20

exact value - $20.04

b. How much was his change from $50 = $29.96

Step-by-step explanation:

8 drill bits for $1.22 each = 8*1.22 = $9.76

10 washers for $0.11 each = 10*0.11 = $1.1

2 hammers for $4.59 each = 2*4=59 = $9.18

Total amount = $9.76 + $1.1 + $9.18

= $20.04

a. estimated cost - $20

exact value - $20.04

b. How much was his change from $50 = 50 - 20.04 = $29.96