Question

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1.What is Dina's walking rate in miles per hour if she walks 3/4 mile in 14 hour.
2.A window washer spends 6 minutes for cleaning 8 windows. How long will it take him to clean 28 windows?
3. Kajol has Rs.75. This is three-eighths of the amount she earned. How much did she earn?
4. A snail moves 1/50th of a mile in five - sixth of an hour. If the snail continues at this pace, how far in miles does it move in one hour?

Answer 1

Answer:

Step-by-step explanation:

1.14hour pe 3/4 mile

1hour pe 3/4×1/14mile

2.8 windows within 6 min

28 windows.. 6/8×28min

3.3/8th=75

Total=1=75×8/3

4.5/6...1/50

1--1/50×6/5

Answer 2

Answer: 1.speed= d/t=3/4/14=3/2*7=21/2=11.5 is her walking rate

2.it will take 21 minutes

3.let the amount she earned be x.

so, 75=3/8x

x=75x8/3

x=25x8

x=200

4.The snail:

covers a distance of 150 of a mile in a time of 56 of an hour.

We can calculate the speed of the snail:

S=d/t=15056 which can be written as 150÷56

S=150×65=6250 mph

Therefore in 1 hour the snail moves 6250 mile.

0.024 miles

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