Answer:
80
Step-by-step explanation:
sum of angles at a point = 360
85+2x+x+35=360
3x+120=360
3x=360-120
3x=240
x=240/3
x=80⁰
Answer:
s-6
Step-by-step explanation:
difference means subtract
s-6
Answer:520
Step-by-step explanation:
Suppose the original prize is=x
If the discount is of 80%,the selling prize is of 20%
20% of x=112
20x/100=112
X=520
Its the original prize...
Answer:
x (11 unit) is the longest side
Step-by-step explanation:
Given:
Sides;
7, x, and x−1
Perimeter = 28
Find:
Longest side
Computation:
Perimeter = sum of all sides
So,
7 + x + (x -1) = 28
2x + 6 = 28
x = 11
So,
x -1 = 11 - 1 = 10 unit
x (11 unit) is the longest side
Answer:
10 is the correct answer.