Mallorie has $12 in her wallet. If this is 20% of her monthly allowance, what is her monthly allowance? Use any strategy to solve.

Solve the formula ax+ by = c for x.

What is mean median mode and range?

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons