For the following system, use the second equation to make a substitution for y in the first equation. 2x+y=5
y+ 3 = 2x
2 x + 2 x-3 = 5
2x+ 2 x + 3 = 5
2 x + 3.2 x=5

30.5*10=350$

you have to multiply the number without the decimal point then add it later but if its tenn u must move the place value of the decimal point 1 to the right.

$15.40 per mile

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you have to round up to 4 because 6 is over 5 so you have to round the 3 up to 4

60 for the first and 130 for the second

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need more info

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