The ratio of girls and boys in a swimming club was 2:5 .There we’re 20 girls. How many boys were there at the club?

50

Step-by-step explanation:

divide 20 girls by 2 girls to get 10.

multiply 5 by 10 to get 50 boys.

according to this law, when unemployment goes up by 1%, gdp drops by 2%. in the question, unemployment rate goes from 2% to 5%, meaning unemployment goes up by 3%, so the gdp drops by 6%. thus the effect is a drop in gdp by 6%.

step-by-step explanation:

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )