a big penguin will eat three times as much as a small penguin. the big penguin will eat 21 grams of fish. let b = number of gram
1 answer:
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Answer:
The answer is 36
Step-by-step explanation:
Let the number be <em>x</em>
x/40 is her mark
she got 90% mark correct
x/40 x 100 = 90
by cancellation we get 9 x 4 = 36
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