Question

(1) : The scale of a map is 1 cm = 15.6 km. If the distance between two places on the map is 8.5 cm.
find the actual distance between two the places.


(2) 3/4 of a tank is filled by a pipe in 5 minutes. How much time is required to fill the rest
of the tank



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Answer 1

Answer:

(1- 132.6. (2- 1.67 minutes

Step-by-step explanation:

(1- If, 1cm = 15.6 km

Then, 8.5cm = ?

Scale. Distance

1cm. 15.6 km

X

8.5cm. x (unknown value)

8.5 × 15.6 = 1x

132.6 = x

Therefore,

Actual distance between places= x =132.6km.

(2- Let,

3/4 of tank in % = 3/4 × 100

3/4 of tank in % = 75%

Remaing tank in % = 100% - 75%

Remaining Tank in % = 25%

Time required to fill 75% of tank = 5min

Time required to fill 25% of tank= x = ?

Time required. % of Tank filling

5mins. 75%

X

x. 25%

75x = 25 × 5

75x = 125

x = 125 / 75

x = 1.67

Therefore,

Time required to fill 25% of tank= x = 1.67mins.