Question

the space shuttles solid rocket boosters were pairs of rockets used during the first 2 min of powered flight. each booster burns 690,300 kg of propellant in 2.5 min. how much propellant (in kg) does each booster burn in 1 min? 276120 kg

Explanation:

Step1: Set up proportion

Let $x$ be the amount of propellant burned in 1 min. We know that 690300 kg is burned in 2.5 min, so the proportion is $\frac{690300}{2.5}=\frac{x}{1}$.

Step2: Solve for $x$

Cross - multiply gives $x=\frac{690300\times1}{2.5}=276120$.

Answer:

276120