Answer:
Step-by-step explanation:
Given
varies directly with 
This means
∝
This can be written as:
where 
is the constant of proportionality.
We know that when 
then 
. Using this we can find value of .
so, we have
Dividing both sides by 8 to isolate .
∴ 
when 
then will be
∴ 
(Answer)
I think x=10
4x=3x+10
subtract 3x from both sides and you get x=10
Write this story as equations:
s = 5j
(s+12) = 2*(j+12)
Then solve:
5j+12 = 2j + 24 => 3j = 12 => j=4, s=5*4=20
Steve is 20, Janis is 4
In 12 years they will be 32 and 16
Answer:
18 glue sticks are left
Step-by-step explanation:
Full Question:
- Mrs. Eng bought 4 packs of glue sticks. Each pack has 5 glue sticks. Her class uses 2 of the glue sticks for a project. How many glue sticks are left?
Calculations:
Answer:
b
Step-by-step explanation:
49 is a whole number
because it doesn't have a decimal neither is it a fraction
