cans of tuna are sold in sets of 6 for $18. Cans of chicken are sold in sets of 5 for $10. Jenny wants to buy the same number of cans of tuna and chicken. What is the least amount she has to spend?

Question

At a supermarket, cans of tuna are sold in sets of 6 for $18. Cans of chicken are sold in sets of 5 for $10. Jenny wants to buy the same number of cans of tuna and chicken. What is the least amount she has to spend?

Answer 1

5 x 18 + 6 x10 = 90+60 = $150

for 30 cans each of chicken and tuna

total 60 cans = 5x6 of chicken and 6x5 of tuna