11 x 3 3/4 = 41 1/4 (41.25)
10 1/2 x 0.55 = 5.775
41.25 + 5.775 = 47.025
100 - 47.025 = $52.975 her change
Hope it helps!
Answer:
5x -2y = -2
Step-by-step explanation:
-2x+y=0
-7x+3y=2
Subtract the second equation from the first
-2x+y=0
7x-3y=-2
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5x -2y = -2
Answer:
16.75
Step-by-step explanation:
Answer:
The interest is $1512 and the amount is $1519.
Step-by-step explanation:
: Convert interest rate of 7200% per month into a rate per year. Then Convert 3 months into years. Next Find an interest by using the formula, where I interest, P is total principal, i is the rate of interest per year, and t is the total time in years. Lastly, Find an amount by using the formula.