Dylan has 200 marbles. if dylan has 10 times as many marbles as robert, write an equation that shows how many marbles robert has. use r to represent the number of marbles of robert has.

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft

What is the value of x in the equation7x+2y=48 when y=3