There are two whole numbers which whe multiplied by itself gives the same number. Wh
are they
8. A taxi driver filled his petrol tank with 40 litres
petrol on one day and 45 litres of petrol on the
next day. If the cost of petrol is * 54 per litre,
the amount spent on petrol in these two days
9. A dairy supplies 40 litres of milk in the morn
and 50 litres of milk in the evening. If the
of milk ist 24 per litre, find the total sa
rupees.

8)

Petrol filled on Monday = 40 liters

Petrol filled on next day = 50liters

Total petrol filled = 90liters

Now, Cost of 1 liter petrol = Rs. 44

Cost of 90 liters petrol = 44 x90

= 44 x (100 – 10)

= 44 x 100 – 44 x10

= 4400 – 440

= Rs. 3960

Therefore, he spent Rs. 3960 on petrol.9

9)

Milk supplied in morning =40 liters

Milk supplied in evening =50 liters

Total milk supplied in one day = 90 liters

Cost of 1 litre milk =24 rupees

Cost of 90 liters milk=24 ×90

=2,160 ruees.

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hi,

you half the rectangle that you ae asking about so then you would see the scale factor of 1/2 the one u have selected, the one on top is half.

hope this !