Question

Each small kite costs $4, while each large kite costs $7. If the total money collected selling kites is $150, and 30 kites are sold, how many of each size kite are sold?
A. 8 small and 22 large
B. 10 small and 20 large
C. 20 small and 10 large
D. 27 small and 6 large

Answer 1

The answer is C. because if you multiply 20*4 is 80 and 10*7 its 70. then you add it up and its 150.
: )

Answer 2

The number of each kind of kites sold are as follows;

number of small kite sold = 20

number of large kite sold = 10

How to find the number of each kind of kite sold?

The small kite cost = $4

The large kite cost = $7

Total money for the kite = $150

The number of kites sold = 30

Therefore,

let

x = number of small kite

y = number of large kite

Hence,

x + y = 30

4x + 7y = 150

4x + 4y  = 120

4x + 7y = 150

3y = 30

y = 30 / 3

y = 10

Therefore,

x = 30 - 10 = 20

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