For the first question could you tell me how many students hade a Mark less that 20%
I have completed the 1st one and have attached it.
Answer:
I Agree
Step-by-step explanation:
I agree because a diamond can a square if you turn it around.
n - 10 = 27
let the number be 10 then half this number is
n and 10 less is
n - 10
this is 27 meaning equal to 27 thus equation is
n - 10 = 27