ayoismeisjjjjuan
27.09.2019 •
Mathematics
On a class trip, there were 45 more girls than boys. the total number of students on the trip was 215. write and solve an equation to find the number of girls and boys on the class
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Ответ:
b = # of boys
there are 45 more girls than boys and 215 students total.
minus 45 on both sides leaving you with
(b)+(b)=170
combine like terms leaving you with
2b=170
divide both sides by 2
b=85
there were 85 boys
85+45=130
(the 45 for the # of girls more than boys)
there were 130 girls.
Ответ:
1 year= 12 months
Total amount= $1089
Hence the amount he need to save each month is given by
Saving=1089/12
Saving=$90.75
Step-by-step explanation: