Is (2, 8) a solution to this system of equations?
2x + 2y = 20
x + 6y = 4

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

How to solve a simultaneous equation involved with fractions?

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area