Question

NO SPAM PLEASE
* Answer the following questions - (5x4=20)
1. Solve: 7-2(3+2x) = 3 x + 8
and verify
the result.
2. A car requires 4 l of petrol to
cover 80 Km. How much petrol is
required to cover 100 kom?
3. Cost of 5kg of wheat is 30.
@ what will be the cost of 9kg
of wheat ?
& what quantity of wheat can be
purchased for & 270?
4. Revathy bought
a tea set for & 450
and sold it for & 630. Find her
profit percent.
pais of Calculators than
7900 each. He sold
both
2
for £1500. Find his profit or loss
percent.
5. Ali bought
A
them
​

Answer 1

Answer:

2x−7=x+3

2x−x=3+7

x=10

Verifying

2×10−7=10+3

20−7=13

13=13

LHS=RHS