Metric volume conversion

HESI A2
Basic Math Skills
Multiple choice
Difficulty 2 of 5

Question

A seed-starting mixture uses 7 tablespoons of liquid. Using 15 mL per tablespoon, how many mL are needed?

0.47✗ Incorrect

Incorrect. This answer divides by the conversion factor instead of multiplying.
10.5✗ Incorrect

Incorrect. This answer misplaces the decimal point (10 times too little).
105✓ Correct

Correct. Multiply by the conversion factor: 7 × 15 = 105.
1,050✗ Incorrect

Incorrect. This answer misplaces the decimal point (10 times too much).

Answer

C. 105

Rationale

The guide gives the volume in a household unit, while the question asks for a metric unit. Use the same approximate volume for every tablespoon in the mixture.

Worked solution: Multiply by the conversion factor: 7 × 15 = 105.

RememberA conversion factor connects the same volume in two units.

Sources

Sources marked “Adapted from” are licensed under CC BY 4.0. We changed the material: its facts are rewritten into an original question, answer options and rationale. The original authors and publishers do not endorse SwipeExam.

Adapted from Open RN Nursing Skills, 2nd edition: Chapter 5 Math Calculations Open RN (Chippewa Valley Technical College) · License: CC BY 4.0 · Retrieved November 2, 2026 · EQUIVALENCIES › Household Equivalencies · 2nd edition, 2023
Metric Kitchen: Cooking Measurement Equivalencies National Institute of Standards and Technology · License: US government work (public domain) · Retrieved November 4, 2026 · Metric Kitchen: Cooking Measurement Equivalencies · page updated 2026-04-29
Lactulose (lactulose) oral prescribing information, APOZEAL PHARMACEUTICALS INC U.S. Food and Drug Administration (openFDA) · License: CC0 1.0 · Retrieved November 2, 2026 · Dosage and administration · effective_time 20260723

Last verified: November 5, 2026 2 independent automated checks Question hesi-bms-00012, version 1

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