George has a box of marbles. Each marble weighs the same amount. When George places 37 marbles on a scale, the total weight is 148 grams. Which equation
models the weight (in grams), w, of m marbles?

(A) W=0.25m
(B) W=0.75m
(C) W=4m
(D) W=4.5m

PLEASE ASAP!