The diagram shows a right-angled triangle and a parallelogram. 24cm height of triangle 30 cm base of parallelogram 7cm base of triangle The area of the parallelogram is 5 times the area of the triangle. The perpendicular height of the parallelogram is hcm. (b) Find the value of h.

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation: