Question

*Pushpa prints 1/2 hour on each Monday, 30 minutes on Tuesday, half an hour on Wednesday, 60 minutes on Thursday and 3/4 hours on Friday. How many hours does she print from Monday to Friday?*
1️⃣ 3 hours and 30 minutes
2️⃣ 3 hours and 15 minutes
3️⃣ 3 hours and 50 minutes
4️⃣ 3 hours and 40 minutes'

Please give anser fast .
But don't cheat .​

Answer 1

Answer:

3 hours 15 minutes

Explanation:

Monday = ½ hour = 30 min

Tuesday = 30 min

Wednesday = half an hour = 30 min

Thursday = 60 min

Friday = ¾ hours = 45 min

Total = 195 min

That is 3 hours and 15 minutes

Answer 2

Explanation:

Given: Pushpa prints 1/2 hour on each Monday, 30 minutes on Tuesday, half an hour on Wednesday, 60 minutes on Thursday and 3/4 hours on Friday.

To find: How many hours does she print from Monday to Friday?

1️⃣ 3 hours and 30 minutes

2️⃣ 3 hours and 15 minutes

3️⃣ 3 hours and 50 minutes

4️⃣ 3 hours and 40 minutes

Solution:

Tip: Convert minutes into hours and add all.

$\bf 1 \: hour = 60 \: min$

Step 1: Add all 5 days of printing hours

$= \frac{1}{2} + \frac{30}{60} + \frac{1}{2} + \frac{60}{60} + \frac{3}{4} \: hours$

or

$= \frac{1}{2} + \frac{1}{2} + \frac{1}{2} + 1 + \frac{3}{4} \: hours$

Take LCM and solve

$= \frac{2 + 2 + 2 + 4 + 3}{4}$

$= \frac{13}{4} \: hours$

Step 2: Convert 13/4 hours into hours and minutes.

Divide 13 by 4, quotient gives number of hours and remainder gives minutes.

$\frac{13}{4} \: hours = 3 \frac{1}{4} \: hours$

Convert 1/4 hours into minutes

$\frac{1}{4} \: hours = \frac{1 \times 60}{4} \: minutes$

or

$\frac{1}{4} \: hours = 15 \: minutes$

Thus,

Puspha prints 3 hours and 15 minutes from Monday to Friday.

Option 2️⃣ is correct.

Final answer:

Puspha prints 3 hours and 15 minutes from Monday to Friday.

Option 2️⃣ is correct.

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