13 is 20% of what number

Standard cars have 4wheels and standard semitrucks have 18 wheels. if only cars and semitrucks are parked in certain lot, the totals number of wheels can be expressed by w=4c+18t. How can this equation be solved for c?

Formula: A=bh/2 if b=50 and h=20, then A=? Can someone explain how to solve this?

F (x) = 14-0.5x f (30) =

The commutative property does not work which operations

What is the length of leg

Floor of the restaurant is covered with 9500 parallelogram shaped tiles each tile has a piece of 0.28 meter and a height of 0.34 menter what is the area of the floor. A 0.0952. B 0.062. C 904.4 D5890

In a toy store, The ratio of the number of dolls to the number of teddy bears is 7:6. If the store has 140 dolls, how many teddy bears are in the store?

Lisa made 18 blueberry muffins. if each muffin contained 6 blueberries. how many total blueberries did lisa use?

What is the value lof X in the equation 8x-2y=48, When y=4

What is the square root of 45*2 rounded