Answer:
≈ 37%
Step-by-step explanation:
Percent decrease is calculated as
× 100%
decrease = $3.92 - $2.46 = $1.46, thus
percent decrease = 
× 100% ≈ 37%
This is the number of combinations of 5 from 11.
11C5 = 11! / 5!6!
a quick way to work it out is (11*10*9*8*7) / (5*4*3*2*1)
= 462 answer
Subtract x/a from both sides.
y/b=1-x/a
Multiply by b on both sides.
y=b(1-x/a)
If you want, you can leave it like that or you can distribute the b through.
y=b-bx/a
Answer:
273.94 hours.
Step-by-step explanation:
1 day = 0.75 hours of practicing in a day.
365.25 = x
1/365.25 = 0.75/x Cross multiply
x = 0.75 * 365.25 Combine
x = 273.94 hours
Answer:
Multyplying by 1 third is the same as dividing by 3, so it's the opposite as multiplying by 3.
