What is the following product? RootIndex 3 StartRoot 4 EndRoot times StartRoot 3 EndRoot

At the county fair, the baxter family bought 6 hot dogs and 4 juice drinks for $12.90. the farley family bought 3 hot dogs and 4 juice drinks for $8.55. find the price of a hot dog and the price of a juice drink.

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top