Sandra rode her bike 5 times as many miles as barbara. if b, the distance barbara rode, equals 3.4 miles, what is the correct expression and distance sandra rode?

the expression is:

s = 5*b = 5*3.4 miles = 17 miles

Step-by-step explanation:

If we define s as the amount of miles that Sandra did and b as the amount of miles that Barbara did.

We know that:

s = 5*b

and we also know that b = 3.4 miles

so we can replace the value of b in the equation above, and find the equation that says the distance that Sandra rode:

s = 5*b = 5*3.4 miles = 17 miles

this is answer of 144 cubic meters

-8/2y-8=5/y+4-7y+8/y^2-16

we move all terms to the left:

-8/2y-8-(5/y+4-7y+8/y^2-16)=0

we can not solve this equation