Tina needs batteries. aa batteries cost $3 per pack. d batteries cost $4 per pacl. if she has $26 to spend and buys 3 times as many packs of aa batteries as d batteries, how many packs of each does she buy?

Tina should buy 6 packs of aa batteries and 2 packs of d batteries. the cost of each is given as.

6 packs of aa batteries = 6x3 = $18

2 packs of d batteries = 2x4 = $8

total cost = 18 + 8 = $26

and aa batteries pack are 3 times greater than d batteries.