Question

2/3 parts of the distance between two places is 30km.
i) Find the distance between the places.
ii) Find 3/5 parts of the distance between the places.​

Answer 1

$\longrightarrow$ let the total distance be 2x

therefore the car travel s first half distance I.e. x with 30 km/hr

$\longrightarrow$ time = x/30 hr

the car travel s second half of the distance I.e x with 50km/hr

time = x/50 hr

now,

$\longrightarrow$ average speed= total distance travelled/total time taken

$\longrightarrow$ 2x/x/30+ x/50

$\longrightarrow$2x/5x+3x/150

$\longrightarrow$2x/8x*150

$\longrightarrow$1/4*150

$\longrightarrow$37.5

Answer 2

Answer:

i) 45 km

ii) 27 km

Explanation:

2 parts =30 km

3

1part= 30×3

2

1 part = 45

1 part = 45 km

therefore 3 = ?

5

3 ×1 = 3 × 45

5 5

3 parts = 27 km

5

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