Add 4 they were supposed to subtract 4. The subtraction sign is actually represented as a negative 2x. I think..
3x4=12 12x5=60 60x6=360 360x7=2,530 2,530x9=22,690
Answer:
Number of quarts=16
Money earned=$32
Step-by-step explanation:
Given
- 4 Gallons of lemonade is prepared
- They charge $2 for a quart
1 Gallon= 4 Quarts
Therefore Number of quarts

Therefore Number of quarts of lemonade prepared by them = 16 quarts
As they charge $2 for each quart
⇒
Total money made if they sell it all

Therefore, if they are to sell all the lemonade that they prepared
They would earn=$32