Answer:
a = 22.5
Step-by-step explanation:
1.7a+0.3a=45
Add like terms
2a = 45
Divide by 2
2a/2 = 45/2
a = 22.5
252 do it on a calculator it takes 2 seconds but if your like doing a test and can’t use a calculator it’s better to do the long division
24 I just did this that’s the common denominator
0, 2, 8, 10
Cross out 0 and 10
Left with:
2,8
Add them
10
Divide by 2
5 is the median.
When two are left in the middle you find the mean or average of them. Basically add them together and divide by 2.
Assuming he runs the same rate for an hour, 24240 kilometers in an hour.
Divide 1212 by 3 and you get 404 kilometers in one minute.
404km times 60min equals 24240km.
