5x - 3y = 10
x + y = 7......multiply by -5
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5x - 3y = 10
-5x - 5y = -35 (result of multiplying by -5)
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-8y = -25
y = 25/8
x + y = 7
x + 25/8 = 7
x = 7 - 25/8
x = 56/8 - 25/8
x = 31/8
solution is (31/8 , 25/8)
2 hours and 37 minutes is 2x60+37 = 157 minutes so to get the answer subtract
157-72=85 so there was not 85 minutes or 1 hour and 25 minutes of childrens video
2/30 of the total distance was traveled on Sunday.
Answer:
I am not in your grade that Is way to hard
Answer:
85
Step-by-step explanation:
The 9 th square number is 9² = 81
The 2 nd square number is 2² = 4
sum = 81 + 4 = 85
