868 is about 870, and 28 is about 30, so your expression would be 870 divided by 30 which would be 29 and the actual answer is 31, so your estimate would be close to your actual answer.
4x +9
3x and x are like terms
And 2 and 7 are like terms
Hope this helps :D
D : 0.300- 0.006 is correct
A is wrong bec 0.3 doesn’t have the extra 0’s in the end
B is wrong bec the decimal places aren’t aligned
C is wrong bec again, the decimal places aren’t aligned
Answer:
8.75
Step-by-step explanation:
Answer:
4 hours it will take for them to be equal.
Step-by-step explanation:
every hour Umpt collects 4
every hour Yoy loses 1,
54 + 4 = 58 +4 = 62 + 4 = 66 + 4 = 70
74 - 1 = 73 - 1 = 72 - 1 = 71 - 1 = 70