Mainly all you do is subtract , and it'll give you the right estimate
11.
(87+91+86+x)/4=90.
x=96.
13.
50×y > 130.
the lowest number could be 3, because 50×2=120, which is less than 130.
Answer:
The answer is x = 7. Hope this helps.
The answer is 30
7(8)+4(2)-2(17)=30
Answer:
the answer is seven.
Step-by-step explanation:
