SOLUTION: Number problems. You have at least $30 in change in your drawer, consisting of dimes and quarters. Write an inequality that shows the different number of coins in your drawer.

Question 39549: Number problems.
You have at least $30 in change in your drawer, consisting of
dimes and quarters. Write an inequality that shows the different number of coins in your drawer.
Thank you!
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
If D is the number of dimes and Q is the number of quarters, then their values (in cents) would be 10D and 25Q, respectively...
If their total is at least $30, then we can write
10D + 25Q ≥ 3000 ($30 in cents)
where both D ≥ 1 and Q ≥ 1
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