Answer:
66.67%
Step-by-step explanation:

8% less
100-8=92
P=present amount
F=future amount=f(t)
t=time in years
rate of decay is 8% or times 92%

is the equation or

is the equation or
Answer:
7/20 is left
Step-by-step explanation:
2/8 (reduced is 1/4) for food
1/5 for prizes
2/10 (reduced is 1/5) for decorations
? for what's left
Add all the fractions up by finding a common denominator.
1/4 + 1/5 + 1/5
5/20 + 4/20 +4/20 = 13/20
He spent 13/20 of his money on this stuff. What part of that is left?
1 - 13/20 (AKA 20/20 - 13/20)
= 7/20
Answer:
650ml
Step-by-step explanation:
30% = 0.30
0.30 x 500 = 150
500 + 150 = 650
Integers are closed under subtraction.