## anonymous 4 years ago 19.At a dairy it takes 90 seconds to fill 30 one-gallon jugs of milk. How many minutes does it take to fill 90 jugs of milk? A. 1 B. 3 C. 3.5 D. 4 E. 4.5

1. Hero

Hint: Figure out how many seconds it takes to fill 90 jugs, then convert seconds into minutes.

2. anonymous

thats the question.

3. anonymous

4. anonymous

now go help me

5. anonymous

6. anonymous

@waterineyes

7. anonymous

8. Hero

Second hint: Set up a proportion: $$\frac{90 \space\text{seconds}}{x \space\text{seconds}} = \frac{30 \space\text{jugs}}{90 \space\text{jugs}}$$ Solve for x, then convert to minutes

9. anonymous

4.5

10. anonymous

90/30 *90sec=90/30 *1.5min=4.5 min

11. anonymous

Time (Sec) : Milk Jugs = Time(Sec) : Milk Jugs 90 : 30 = x : 90 So: $\frac{90}{30} = \frac{x}{90}$ $\frac{x}{90} = 3$ $x = 270\; (Seconds)$ So to convert it into minutes divide it by 60: $270 \; Seconds = \frac{270}{60} \implies \color{blue}{4.5 \; \; minutes.. }$