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Mathematics, 04.12.2019 23:31 rachael382
Quick !
will the given equation solve the problem? choose all which will.
problem: the sum of twice a number and −6 is 9 more than the opposite of the number. find the number.
equation: 2n − 6 = 9 − n
problem: anna drove 450 km in 6 hours. find her rate of travel.
equation: 450r = 6
problem: three times a number increased by 44 is the same as the opposite of the number. find the number.
equation: 3n + 44 = −n
problem: sara collects her change and realizes that she has five times as many dimes as quarters. the total amount for the change is $5.25. find the number of quarters in her collection.
equation: x + 10x = $5.25
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Answers: 1
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