Question

Mr and mrs Jackson have 14 grandchildren. Find the ratio of girls to boys if there are four more girls than boys

Answer 1

Answer:

5 boys to 9 girls

Step-by-step explanation:

Let x = the number of boys

Boys = x

Girls = x + 4

x + (x + 4) = 14

2x + 4 = 14

2x = 10

x = 5

This means that there are 5 boys. Since girls = x + 4, 5 + 4 = 9. There are 5 boys and 9 girls.

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Answer 2

Answer:

5:9

Step-by-step explanation:

One Simple Method:

We can plug in values that are reasonable, such as 5 and 9. 5 represents the amount of boys and 9 represents the amount of girls. There's four more girls than boys, adding up both terms there's a sum of 14 grandchildren.

Another Method:

using and creating an equation.

x represents boys

y represents girls

Our equation for boys:

x(x+4)=14

2x+4=14

Subtract 4 from both sides

2x=10

x=5

x=5 represents 5 boys.

Use x=5 in our equation for girls.

5+y=14

Subtract 5 from both sides

y=9

y=9 represents 9 girls.