Answer:
1. B
2. A
3. B
4. A.
5. B
Step-by-step explanation:
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x=4
3/4x+ 4 = 7
Subtract 4 from each side
3/4x+ 4-4 = 7-4
3/4x = 3
Multiply each side by 4/3
4/3 * 3/4 x = 3 * 4/3
x = 4
Marks
= 28/40
= 28/40 × 2.5/2.5
= 70/100
= 70%
2048
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