ctyrector
29.06.2019 •
Mathematics
Sharon wants to start a savings account with the money she earns selling scented candles. she already has $50 and would like to save at least $90. she earns $2 for each candle she sells. how many candles should sharon sell in order to meet her goal?
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Ответ:
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
Ответ: