Chris has $3.30 in nickels and quarters. If she has twice as many quarters as nickels, how many of each coin does she have?
1 answer:
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-1, 260
First , take a look at the signs of the numbers we're asked to multiply .
One of them is negative , and the other one is positive .
If we have a negative number times a positive number , the product is a positive number .
Multiply :
(-315) × 4
-1, 260 (Ans)
we know there are 5280 feet in 1 mile, and there are 3600 seconds in 1 hour.