Lucy bought a 12 pound watermelon for $6.24.
part a
how much did she pay per pound?
part b
at this rate, how much would it cost to buy a 7 pound watermelon?

Part A: $0.52

Part B: $3.64

Step-by-step explanation:

Divide $6.24 by 12 pounds to determine the cost per pound

Multiply $0.52 by 7 pounds to find the cost for a 7-pound watermelon

the answer is B) 19 × 11 = 209

coz A prime number is a whole number greater than 1 whose only factors are 1 and itself.

but here it is a multiple of 11 and 19

so its proved