Question

Maths question:-

■Answer the following questions:-
1. Find the reciprocal of:
(a) -1 7/9 ÷ (-6/5)
(b) (-3 × 2/9) - (3/13 ÷ -4/65)
2. If the product of two decimal numbers is 19.77 and one of them is 7.5, then find the others.
3. An ornament is made of gold and copper and weighs 65 grams. If 7/13 of its part is copper, find the weight of pure gold in it.
4. Simplify:- 5 5/6 + 3/8 - 7/12 + 2 4/15 - 5/8 - 1 2/3.






Guys please help me to do the above sums. If you want to do only one please do that only, but don't leave. Try to do full. And please type the explanation. Please. My request.
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Answer 1

My name is Shreya.......

Answer 2

Answer:

Hello Aryan

Here's your answer

Money with rita Rs.300

She spent 1/3 of her money on notebooks

Money spent (1/3)*300

=300/3

=Rs.100

She spent Rs. 100 on her notebooks

Money remaining with her after purchasing notebooks will be 300-100=Rs.200

She spent 1/4 th of the remaining money on stationary items

Money spent on stationary items will be (1/4)*200

=200/4

=Rs.50

The money remaining with her is 200-50=Rs.150

Hope it helps!!!

Step-by-step explanation: