Percent Transitional Reasoning Download PDF

Math · Ratios, Proportions & Percent · Math · Ratios, Rates & Percent

2 Math practice questions on Percent. Questions that build towards applied reasoning.

Questions

1.
A botanist prepares a 500-milliliter nutrient solution where fertilizer concentrate makes up 12% of the total volume. To safely nourish a sensitive plant species, the solution must be diluted with distilled water until the concentrate makes up exactly 8% of the total volume. How many milliliters of distilled water must the botanist add to achieve this target percentage?
- A) 125 mL
- B) 200 mL
- C) 250 mL
- D) 750 mL
2.
Last month, an electronics store sold 120 portable power banks and 80 solar chargers. In the current month, sales of power banks increased by 25%, while sales of solar chargers increased by 50%. By what percentage did the total number of these two products sold increase compared to last month?
- A) 75%
- B) 37.5%
- C) 30%
- D) 35%