Ans 1:
Class : Class 6
Paloma, the answer is 80.
80+A+A=230
230-80=150
150/2=75
Now 80-75=5
So this was the proof.
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Ans 2:
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Ans 3:
Class : Class 9
The answer is 1,000,000,000 or 1 billion or 1,000 million........................................................................................
Thanks,
Prajwal
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Ans 1:
Class : Class 6
yeah the answer is 35x+5y. because see prachi spends x rupees daily and saves rupees y per week and so find her income after 5 weeks. so here we will convert the 5 weeks to days and so 7*5=35 then 35 multiply by x rupees so we will get that how much she spends daily. then we multiply 5 and y so 5y and then after wards we will get the answer. 35x + 5y. we had done this to find the spend money and to find the save money and then after wards we will add them both.