Answer:
1. $200
2. $65
3. $70
Step-by-step explanation:
1. 4x50=200
2. 200-135= 65
3. 135-65= 70
Area = 20x5=100
Perimeter = 10+10+20+20=60
Answer:
See explanation for answer
Step-by-step explanation:
As far as I know, the best way to solve this it to guess and check. You can make some logical inferences, for instance that you probably won't be dividing or multiplying 5 and 7, as the resulting number would either not be an integer or would be too large. Thinking like this, you can find that
. Hope this helps!
Answer:
The first one and the third one i'm pretty sure.
Step-by-step explanation:
30*90=2700
30*6=1800
2700>1800 This is the first one
60*90=5400
2700<5400 This is the third one