9. China Wok serves portions of fried rice that are 140 grams each.
a) If 64 portions of rice are served during Monday's lunch rush, how many grams of rice would that be?
b) Write an expression for the total weight in grams of the rice needed for p portions.
c) Tuesday, the total weight of rice served was 11,340 grams. How many portions were served that day?
d) Write an expression for the number of portions if the total rice weighed t grams.