Answer:
30
Step-by-step explanation:
bdc=30
7/7 also known as a whole (1)
All you have to do is add 4 and 3 then keep the denominator the same (7)
Story 2 because it is talking about how much they spend. ANOTHER HINT: That equation has all the numbers in story 2. They key is to look at how the problem is set up.
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a triangles angles have to add up to 180 degrees
p.s.I hope this helps
1, volume=23×9×5
=1035
2, volume=(1/2×5×4)×20
... =200
3.
