Prove that Cos4x=8Cosx -8Cosx
1 answer:
You might be interested in
Answer:
30 is the cost of clothes Kyle bought.
Step-by-step explanation:
Given: Kyle spend 1/5 of his money on clothing.
Remaining money is 120.
Lets assume the total money Kyle had be "x".
∴ Money spent on clothes =
Now, putting up value in the equation to find the total amount of money.
We know, money remaining is 120
Taking LCD subtract the fraction.
⇒
⇒
⇒
Multiplying 5 both side
⇒
dividing 4 on both side.
∴
∴ x= 150
Kyle has total 150 money to spend.
Kyle spent of his total money on clothing.
⇒ cost of clothes kyle bought=
Hence, Kyle spent 30, which was the cost of clothes kyle bought.