If x varies directly as y, and x = 200 when y = 11, find y when x = 500. Algebraic solution please.

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

How to solve a simultaneous equation involved with fractions?

27 is what percent of 108? 27 is % of 108