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Earn +20 ptsQ: If 7 key chains cost 15.54 then 15 key chains cost?
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If 5 key chains cost 11.25 then 15 key chains cost?
If 5 key chains cost 11.5 then one key chain costs 11.5 divided by 5, which is 2.3 so 15 key chains cost 2.3 x 15, which is 34.5Actually the cost of 5 chains is 11.25 not 11.50.so divide 11.25 by 5 to find the cost of one chain = 2.25now multiply 2.25 by 15 to find the cost of 15 chains = 33.75Another way to do it is to see that 15 chains is 3 times more than 5 so multiply the cost of 5 chains by 35x3 = 33.75
What is the selling price if it cost 15 and the percent of markup is 15?
The selling price would be 17.25 if it cost 15 and the percent of markup is 15.
If 15 roses cost 18 and 15 canaries cost 10 how much is one rose?
1 rose costs 18 ÷ 15 = 1.20
What is the answer of direct and partitive proportion example 12 oranges cost 65.00 the cost of 15 oranges is?
81.25 for 15 oranges
He cost was 0.45 the price was raised 15 percent what is the new cost?
0.45 x .15 (15%) = 0.0675 round 0.0675 to 0.07 0.45 + 0.07 = 0.52
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