Math Question! Can someone help me?
Mark, Matthew, and Peter were saving money to buy a tent. Mark had 60% of the needed sum, and Matthew gave 40% of the remaining amount. Peter gave 30 dollars to complete the sum. How much was the tent?
0.60x + 0.40(0.4x) + 30 = x
0.6x + 0.16x + 30 = x
0.76x + 30 = x
30 = x – 0.76x
30 = 0.24x
30/0.24 = x
$125.00 is the cost of the tent
check:
0.60(125) + 0.16(125) + 30 = 125
75 + 20 + 30 = 125
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