Answer:
120 pounds
Step-by-step explanation:
Since the new cost is 144 pounds and this is 20% more, this is 120% of the original price. Remember 100+20 = 120. To find the original price set up a proportion with these values:

Solve for the original price by cross multiplying numerator with denominator.
x(120) = 144(100)
120x = 14400
x= 120 pounds
Has to multiply I think try that !
Answer:
Step-by-step explanation:
Please excuse my handwriting lol.
Answer:
x=4
Step-by-step explanation:
2x-3=3x-7
Subtract 2x from both sides of the equation
Add 7 to both sides of the equation to isolate x
Answer:
it approx 103.2 degree
Step-by-step explanation:
s=90+tan^-1(1÷3√2)
I add 90 base on the coordinate , taking the centre of the circle place at origin