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love history [14]
4 years ago
7

Mario eats twice as many as Yolanda. If Yolanda eats 6 walnuts every day, how many walnuts does Mario eat in a week?

Mathematics
1 answer:
stepladder [879]4 years ago
8 0

let

x-------> walnuts that Mario eats in a week

y-------> walnuts that Yolanda eats in a week


we know that

x=2y-------> equation 1

y=6*7-------> y=42 walnuts

substitute the value of y in equation 1

so

x=2*42-----> x=84 walnuts


therefore


the answer is

Mario eat in a week 84 walnuts

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