Question

1) Convert the following ratios as percentages.
a) 7 : 3 b) 5 : 4

2) If 30% of x is 450, then find the value of x.

3) What percent of 400 is 64?

4) If 45% of the students are girls and the number of boys are 550, then
find the number of girl students.

5) After spending 20% of his salary, Mr. Roy has R 12000. Find the
amount of Mr. Roy’s salary?

6) Ravi paid 10% of his salary as tax. If he is left with R 32000 after
paying the tax, find his salary.

7) A school team won 12 matches out of the total number of matches
they played. If they win 60% of the matches, then how many matches
did they play in all?

8) 58% of the 600 guests asked for tea. How many did not have tea?

Answer 1

Answer:

what percent of 464 if 45% of the students are ones and the number of boys are 55010 find the number of girls

Step-by-step explanation:

topictopic in this chapter physical quantity fundamental and derived units SI unit dimension of physical quantity important Amazon of company 10 physics application of