X will represent unknown
2x-4<3x
treat the < sign as a = sign
2x-4=3x
subtract 2x form both sides
-4=x
put the < sign back
-4<x
-4 is less than than x or
x is greater than -4
Days in boston=x
days in colorado=1.4x
boston+colorado=2.4x
475=2.4x
475/2.4=2.4x/2.4
198=x
198*1.4=277
days in boston=198
days in colorado=277
198+277=475
Answer:
A. 5000 B: 12000 C 57000
Step-by-step explanation:
All you need to do is look at the hundreds place number and if it is below 4 or is 4 keep the number the same, if it is above 4, increase it by one.
![64\% \ of \ 75=64\% \times 75= \frac{64}{100} \times 75=\frac{16}{25} \times 75=16 \times 3=48](https://tex.z-dn.net/?f=64%5C%25%20%5C%20of%20%5C%2075%3D64%5C%25%20%5Ctimes%2075%3D%20%5Cfrac%7B64%7D%7B100%7D%20%5Ctimes%2075%3D%5Cfrac%7B16%7D%7B25%7D%20%5Ctimes%2075%3D16%20%5Ctimes%203%3D48)
64% of 75 tiles is 48 tiles.