A percent increase is based on the original amount. Keep the full original and add the stated percent to find what percent of the original the new amount represents. Type that full percent of the starting count in Desmos, then compare the result with the choices. Using only the added percent gives the increase, not the new total.
Hints
- Hint 1
A percent increase means the starting count stays and extra laptops are added. Start with 100% of the original, then add the increase rate. What percent of the 2023 count does that make?
- Hint 2
Desmos accepts a percent followed by
ofand a number. Put the full new percent beforeofand the original count after it. Then compare the result with the choices.
Step-by-step
Find the new total, then choose the closest value
Step 1Turn the increase into a percent of the original
The 2023 count, , is the original. An increase keeps all of it and adds , so the 2024 count is of .
- Step 2
Calculate the 2024 total
Type in Desmos. It shows , the new total before you choose the closest option. Typing only would give the laptops added, not the total sold.
- Step 3
Choose the closest option
The closest choice to is : it is away, while is away and the other choices are farther. So the store sold about laptops in 2024. Choice C.