Last year, the number of students enrolled in the school was 672. if this number increases by 12% the next year, how many students will there be?
what an amount is increased by a percent, add the percent change to 100. 100 + 12 = 112. use the proportion to get blank/ = is/of to get 112/100 = x/672

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students

Step-by-step explanation:

Last year number of students

Increase in next year

of

So total increase in next year

Hence total number of students next year = number of students last year increase

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk