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.
Answers
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My name is Shreya.......
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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!!!
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