3. 5y + 2 = 7. Write this in statement form.
4. Solve 2x - 3 = 7.
5. 72% of 25 students are good in English. How many are not good in English?
6 Convert the following ratios to percentage: a) 3:4 b) 2:3
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3.
Equation:
5y+2=7
Statement:
1. 2 added to 5 times of y is 7.
2. y multiplied with 5 and added to 2 gives 7.
4.
2x-3=7
2x=7+3
2x=10
x=10/2
x=5
5.
Percentage of student good at English=72%
Number of students good at English=72/100*25=72/4=18
Number of students not good at English=25-18=7
6.
a) 3:4=3/4
In percentage form:
3/4*100=3*25=75%
b) 2:3=2/3
In percentage form:
2/3*100=200/3=66.66%
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Answer:
it is right answer
Step-by-step explanation:
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