Joy and Trisha share the total cost of a tablet. Joy paid $100 less than 2/7 of the total cost of the tablet. Trisha paid $536.
(a) how much did the tablet cost
(b) how much did Joy pay ?
((why isn’t the answer $763?)
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Question
Answer
alfretztay
(a)
1 – [(2/7) – $100] = 5/7 + $100 ——- $536
1/7 ——- ($536 – $100)/5 = $87.20
7/7 ——- $87.20 x 7 = $610.40
(b)
$610.40 – $536 = $74.40
Ans : (a) $610.40; (b) $74.40.
siglapmath