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.

3 0

3 years ago

Kendra paid $7 for her admission ticket to the fair and bought 12 ride tickets. She spent a total of $31 on admission and ride t

Bogdan [553]

X= one ride ticket
12x+7=31
-7 -7
12x = 12x
--- ---
12 12
x=2
$2

5 0

3 years ago

Brittany's mom gave her $15.00 to buy school supplies. Brittany needs to buy 3 notebooks and some mechanical pencils. If each no

ElenaW [278]

Answer:

4 mechanical pencils

Step-by-step explanation:

Each notebook is worth $2.99

So buying 3 of the notebooks would leave her with $8.97

Then, $15.00 - $8.97= $6.05

4 0

3 years ago