MATHS...HELP!!

2007-04-12 4:14 am

A shop spends $2400 to purchase a batch of basketballs and footballs. There are 15 more basketballs than footballs. The selling price of a basketball is 20% higher than that of a football. The selling price of each football is $60.
(a) Find the selling price of each basketball.
(b) If all the basketballs and footballs are sold, and the overall profit is $660, how many basketballs and footballs has the shop sold?

回答 (1)

用戶112937

2007-04-12 5:08 am

✔ 最佳答案

(a) since the price of each football is $60, therefore,

the price of a basketball is 1.2 X $60 =$72

(b) Let x is the number of football, therefore, x+15 is the number of basketball.

the cost of the batch of basketballs and footballs is $2400, profit is $660, then,

the total money received from customers is $3060.

therefore,

$72 (x+15) + $60x = $3060

72x +1080 + 60x = 3060

132x = 1980

x =15

so, the total number of football sold is 15, the total number of basketball sold is 30.

參考: me

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