SOLUTION: If there are 30 children in a class and 4 more girls than boys what is the equation
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Question 933108: If there are 30 children in a class and 4 more girls than boys what is the equation
Answer by chev(2) (Show Source): You can put this solution on YOUR website!
let x = boys
x+4= girls
total= 30
equate:
x+(x+4)=30
x+x+4=30
2x+4=30
2x=30-4
2x=26
x=13
substitute x
x=13 boys
x+4=13+4=17 girls
add the no. of boys and girls will equal to 30
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