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3 years ago

13

Gerry collects sports cards, and has 70 in total.

1 answer:

cluponka [151]3 years ago

5 0

Answer: 7 baseball cards

Step-by-step explanation: 10% of 70 is 7. Hope this helps :)

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$\frac{1}{5} x - 2= 4 \\$

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$\frac{1}{5x} - 2 = 4 \\$

Add sides 2

$\frac{1}{5x} - 2 + 2 = 4 + 2 \\$

$\frac{1}{5x} = 6 \\$

Inverse both sides

$5x = \frac{1}{6} \\$

Divide sides by 5

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$x = \frac{1}{6} \times \frac{1}{5} \\$

$x = \frac{1}{30} \\$

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3 years ago

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