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Liula [17]
2 years ago
8

Chad spent $28.80 at the supermarket. This was 36% of the cash he had in his wallet.

Mathematics
1 answer:
Varvara68 [4.7K]2 years ago
3 0
1. Chad had $80 before, since 28.80/36% is 80.

2. Chad has $28.97 left, because what he had left before the dinner was $51.02, $80-28.80=51.02 then, you take the 16.50 with the 16% which in total is 22.05. But once you have that all solved, subtract 51.02 from the dinner bill that is 22.05, and your answer is $28.97.
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According to the information given in the exercise, Moby sold half his toy car collection. This can be represented with the following expression:

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Then he bought 12 more cars, giving a total amount of 48 toy cars.

Therefore, the equation that represents this situation is the equation shown below:

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Now you must solve for "x" in order to find its value.

You get that this is:

\frac{1}{2}x+12=48\\\\\frac{1}{2}x=48-12\\\\\frac{1}{2}x=36\\\\x=(36)(2)\\\\x=72

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