Question

Cost of 3 kg of rice is $49.50. Find : (a) what will be the cost of 7 kg of rice ?​

Answer 1

$115.50

Step-by-step explanation:

If 3 kg rice's price is 49.50

Then 1 kg rice's price will

=49.50\3

=16.50

Then 7kg rice's price will

=7 Multiply by 16.5

=115.50

Answer 2

Answer:

$115.5

Step-by-step explanation:

Cost of 3 kg rice = $49.50

Cost of 1 kg rice= $\frac{49.50}{3}$ = $16.5

Cost of 7 kg rice= $16.5 x 7 = $115.5