68/18 = 3.77 miles to the gallon
754/3.78 = 199.47 gallons
Aubrey would be able to run 9 miles in ninety minutes.
90 minutes=1.5 hours
6*1.5=9
Hope this helps
5n+3/4n=2
20n+3n/4=2
23n/4=2
23n=8
n=8/23
Two multiply 2 monomials, you have to multiply the coefficients and add the degrees. For example
2x^2 × 3x^3 =
6x^5