Back to Use variables to represent two quantities in a real-world problem that change in relationship to one another — Problem 2 · Task Set 39

6.EE.C.9 Tutor Intake -- Dependent and Independent Variables

This short check helps your tutor see where to start. Work each problem on
your own, without a calculator unless a problem says otherwise. If you are
not sure, give your best try — every answer helps your tutor plan your
first few sessions.

Grade 6·8 problems·~9 min·Common Core Math - Grade 6·standard·6-ee-c-9

Work through problems with immediate feedback

Procedures

A water tank starts with 15 gallons already in it and gains 4
gallons every minute. Let $m$ = minutes and $V$ = total gallons
in the tank. Which equation correctly models this relationship?

$V = 4m + 15$

$V = 15m + 4$

$V = 4m$

$V = 15m$