Question Bank / Math / Ratios, Rates, and Proportions

Ratios, rates, proportional relationships, and units SAT question

Math · Problem-Solving and Data Analysis · Easy · Answer it here, explanation included.

If $t equals 4 u$ , which of the following is equivalent to $2 t$ ?

ExplanationShow

Choice A is correct. It’s given that $t equals 4 u$ . Multiplying both sides of this equation by 2 yields $2 t equals, 2 times, 4 u$ , or $2 t equals 8 u$ .

Choice B is incorrect and may result from dividing, instead of multiplying, the right-hand side of the equation by 2. Choices C and D are incorrect and may result from calculation errors.

Drill this skill on Aceit

Adaptive practice, a daily plan, and score tracking take a free account so we can save your work.

Practice this skill

More Ratios, rates, proportional relationships, and units questions

A printer produces posters at a constant rate of 42 posters per minute. At what rate, in posters per hour, does the printer produce the posters?
The International Space Station orbits Earth at an average speed of 4.76 miles per second. What is the space station's average speed in miles per hour?
For a person m miles from a flash of lightning, the length of the time interval from the moment the person sees the lightning to the moment the person hears the thunder is k second
The population density of Iceland, in people per square kilometer of land area, increased from 2.5 in 1990 to 3.3 in 2014. During this time period, the land area of Iceland was 100
A customer spent $27 to purchase oranges at $3 per pound. How many pounds of oranges did the customer purchase?
A group of monarch butterflies migrated from Chicago, Illinois, to Michoacán, Mexico, flying a total of 2,100 miles. It took a single butterfly in the group 120 days to travel this