No.130 Number of Students
Example
A middle school has 528 students, with 36 more boys than girls. Find the number of boys and girls.
POINT
Represent the numbers of boys and girls with variables, then write equations for their total and their difference.
282 boys and 246 girls
TRY
TRY 1
A school has 420 students, with 20 more boys than girls. Find the number of boys and girls.
220 boys and 200 girls
TRY 2
A grade has 306 students, with 18 more girls than boys. Find the number of boys and girls.
144 boys and 162 girls