Answer:
She must sell as least 20 candles
Step-by-step explanation:
Sharon has 50 dollars
She makes 2 dollars per candle
Money in 50+2c
She needs at least 90
90≤ 50+2c
We need to solve this inequality
Subtract 50 from each side
90-50≤ 50-50+2c
40 ≤ 2c
Divide by 2
40/2 ≤ 2c/2
20 ≤ c
She must sell as least 20 candles
She will pay $1.50 for the hairbrush and her mum paid $1.50 as well
Answer: -4
Step-by-step explanation:
5.392 is 5.39 rounded to the nearest hundredth
Answer:
y=3
Step-by-step explanation: