A man started painting a wall of 9:00 a.m. and was able to finish painting 3/5 of it at 10:30 a.m. continuing at this rate at what time will he finish painting the wall? a. 10:45 a.m. b. 11:30 a.m. c. 11:45 a.m. d. 12:15 p.m.

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A man started painting a wall of 9:00 a.m. and was able to finish painting 3/5 of it at 10:30 a.m. continuing at this rate at what time will he finish painting the wall? a. 10:45 a.m. b. 11:30 a.m. c. 11:45 a.m. d. 12:15 p.m.

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Answer 1 · 2018-06-18T13:39:29

$b$ $b$

Explanation:

$1.5 h = \frac{3}{5} painting ∣ : 3$ $1.5h=3/5"painting"|:3$
$0.5 h = \frac{1}{5} painting ∣ \cdot 5$ $0.5h=1/5"painting"|*5$
$2.5 h = 1 painting$ $2.5h=1" painting"$

If he started at 9 a.m. ...
... $9 + 2.5 = 11.5 \approx 11:30a.m.$ $9+2.5=11.5~~"11:30a.m."$

Answer 2 · 2018-06-18T13:44:06

$11 : 30 a.m.$ $color(blue)(11:30 " a.m.")$

Explanation:

If he started painting at 9:00 a.m and finished at 10:30 a.m. Then he has been painting for 1 and a half hours.

So it took 1.5 hours to paint $\frac{3}{5}$ $3/5$ of the wall, that means he has $\frac{2}{5}$ $2/5$ left to paint.

$:.$

$3/5=1.5 " hrs"$

$1/5=(3/5)/3=1.5/3=0.5$

$2/5=2*1/5=2*0.5=1$

It will take a further 1 hour to complete the painting.

So:

$10:30+1 "hour"=11:30 " a.m".$

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A man started painting a wall of 9:00 a.m. and was able to finish painting 3/5 of it at 10:30 a.m. continuing at this rate at what time will he finish painting the wall? a. 10:45 a.m. b. 11:30 a.m. c. 11:45 a.m. d. 12:15 p.m.

2 Answers

Explanation:

Explanation:

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