Aidanme25
22.10.2020 •
Mathematics
Lucas is offered 15% or $21 off his total shopping bill. How much would have o be spent to make the 15% option the best one?
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Ответ:
Let the total bill be b. We have:
0.15b > 21 <-- Since 15% is 0.15
Using our inequality calculator, we get b>140.
So any bill greater than $140 will make the 15% off option the best one, since the discount will be higher than $21.
Step-by-step explanation:
Ответ: