Question

Following table show results of certain examination for the 180 students... 0-10 =10 10-20=X 20-30=52 30-40=2x 40-50.=55 50-60=30

Answer 1

Answer:

what should we need to find

please make question complete

Answer 2

Answer:

the answer is x=11; 2x=22

Step-by-step explanation:

here, we see thata table show results of certain examination for the the 180 students.

and we see that chat give in this question,

and asked that x=?

so equation is,

10+x+52+2x+55+30=180

or, 147+3x=180

or, 3x=180-147

or, 3x=33

or, x=11

so, x=11 and

2x=22