So 22 problems/ 30 minutes = ? problems/ 180 minutes
so you basically just convert them
and you will times 30 by 6 to get 180, so you times 22 by 6
and you will get 132 problems
so Koby can do 132 problems
Answer:. We assume, that the number 400 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 400 is 100%, so we can write it down as 400=100%.
4. We know, that x is 6.5% of the output value, so we can write it down as x=6.5%.
5. Now we have two simple equations:
1) 400=100%
2) x=6.5%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
400/x=100%/6.5%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.
7. Solution for what is 6.5% of 400
400/x=100/6.5
(400/x)*x=(100/6.5)*x -
400=15.3846153846*x -
400/15.3846153846=x
26=x
x=26
now we have:
6.5% of 400=26
Step-by-step explanation:This may help and if it does please thank me in the comments.
In order to accomplish that trick, we would need two pieces
of information that you haven't given us:
1). The area you're interested in
2). The population inside that area
With that information, the population density is
(population in the area) divided by (the area of the area) .
Answer:
262
Step-by-step explanation:
From the Question, we know that:
In a certain town there were 403 robberies last year. This year the number of robberies has gone down 35%.
Step 1
Find the amount decreased
35% × 403
= 35/100 × 403
= 141.05
Step 2
The amount of robberies this year is:
= 403 - 141.05
= 261.95
Approximately to the nearest whole number = 262
