SAT, 04.01.2021 18:10 anthonybowie99

2. In a certain country, a Q-type coin is equivalent
to 25 cents and a D-type coin is equivalent to
10 cents. How many D-type coins have a total
value equal to the value of 30 Q-type coins?

Answers: 2

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2. In a certain country, a Q-type coin is equivalent
to 25 cents and a D-type coin is equival...