Answer:
6x
Step-by-step explanation:
Step 1:
10x - 4x
Answer:
6x
Hope This Helps :)
Answer:
Step-by-step explanation:
9:x = x :4
Product of mean = product of extremes
x *x = 9*4
x² = 36
x² = 6²
x = 6
Answer:
200 questions
Step-by-step explanation:
Given data
Let the total questions be x
so that
21% of x= 42 questions
let us solve for x
21/100*x= 42
0.21*x= 42
0.21x= 42
Divide both sides by 0.21
x= 42/0.21
x= 200 questions
Hence the questions are 200 questions