Write and solve a word problem involving money that can be solved with a multiplication equation
2 answers:
<em>If wrapping paper costs $0.03 a yard and Anne bought 46.1 yards, how much did Anne spend on wrapping paper. Round your answer to the nearest cent.</em>
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We know that wrapping paper costs $0.03 a yard and that Anne bought 46.1 yards. We want to find out how much Anne spent on wrapping paper so we need to multiply the number of yards, 46.1 by the price per yard which is $0.03.
Now, we begin multiplying as if we were multiplying 461 x 3 to get 1,383. Next, since our original numbers have 3 digits to the right of the decimal point, our answer will have 3 digits to the right of the decimal point. So we have 1.383.
Finally, rounding our answer to the nearest cent, we have $1.38. So Anne spent approximately $1.38 on wrapping paper.
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Answer:
The temperature of coffee becomes 163.08 Fahrenheit.
Step-by-step explanation:
The Newton's law of cooling can be mathematically written as
Applying the limits in the above relation as
At t = 0 ; T= 200 F
At t =10 ; T = 180 F
Applying the limits in the above relation as
At t = 10 ; T= 180 F
At t =20 ; T = T F