Select the correct text.
Jerome's teacher gave him a homework assignment on solving equations....
Mathematics, 23.03.2020 09:19 alondrasanchezvillan
Select the correct text.
Jerome's teacher gave him a homework assignment on solving equations. Since he's been thinking about saving for a used car, he decided to
use the assignment as an opportunity to model a savings plan.
He already has $500, and he plans to save $375 every month. To model the situation, he created this equation, where yrepresents the total
amount saved for the car and x represents the number of months since he started saving
500 - 375x = y.
He then solved the equation to determine how many months he would need to save to have enough to purchase the car. Review his work.
and select the error.
Justification
1: given
2: addition property of equality
3: simplification
4: division property of equality
5: simplification
6: substitution, y = 3,500
7: simplification
Step 1: 500 + 375x=y
Step 2: 500 + 375x-500 = y- 500
Step 3:
375x = y- 500
375 - 500
Step 4:
375 = 375
Step 5:
x= 375
3,500 - 500
Step 6:
x 75
Step 7:
x=8
1 - 500
Reset
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