She buys 3 candle packs and 5 holder packs, she will be able to make 90 decorations
6 x 11= 66
67 - 66 = 1
67/6 = 11
remainder= 1
The dogs weight in kilograms is 13.5. Take the nine and divide it by 20, then multiply the 30 into that number.
Answer:
There are 30 students in the class
Step-by-step explanation:
we can write a ratio as:
8:10 as 24:x
Writing this as an equation gives:
8
10
=
24
x
We can now solve for
x
while keeping the equation balanced:
10
x
×
8
10
=
10
x
×
24
x
10
x
×
8
10
=
10
x
×
24
x
x
×
8
=
10
×
24
8
x
=
240
8
x
8
=
240
8
8
x
8
=
30
x = 30
The inverse would be
f^-1(x) = x/5 - 2/5
