Question

Long-grain rice costs $0.72/lb. How much would 2.7 lb of long-grain rice cost?

A. $0.19
B. $1.90
C. $1.94
D. $1.95

Answer 1

if $.72 per 1lb, then $x per 2.7lb, by using proportional property:

.72/1 = x/2.7 cross multiply

x = (.72)*(2.7) = $1.94

Answer 2

The cost of the 2.7 lb of long - grain rice is $1.94 .

Option (C) is correct .

Explanation:

As given

Long-grain rice costs $0.72/lb.

i.e Cost of long - grain per pound is $0.72 .

Now find out the cost for 2.7 lb long - grain rice .

Cost of 2.7 lb long - grain rice = 2.7 × Cost per pound

Putting values in the above

= 2.7 × 0.72

= $ 1.94 (Approx)

Therefore the cost of the 2.7 lb of long - grain rice is $1.94 .

Option (C) is correct .