Answer:
solution
given that
ar=8 __________equation 1
r=4
putting r=4in equation 1 we get
a×4=8
a=2
now
t4=ar^(4-1)
= 2×4^3
=2×4×4×4
=128ans
A number x minus a number y multiplied by 5
Answer:
Remember, the formula is the second value minus the first value, divided by the first value times 100.
9. 50% Increase
10. 33% Decrease
11. 200% Increase
To calculate tip, simply move the decimal place 2 to the right and multiply it by the price. For example, If you want to leave a 20% tip, multiply the cost by 0.20 to get the tip amount or multiply the cost by 1.20 to get the total including tip.
12. $23.00
13. $10.50
Answer:
x = 
Step-by-step explanation:
Given
=
( cross- multiply )
25 × 2x = 5 × 4
50x = 20 ( divide both sides by 50 )
x =
= 