Answer: 
<u>Subtract 1 from both sides</u>
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<u>Multiply both sides by 3/2</u>
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75×4=300, the Shinkansen traveled at a speed of 300km/h
Answer:
24
Step-by-step explanation:
Do i need to explain ??????
First day : 30+20y
Second day : 85 + 17y
Total: 30 + 20y + 85 + 17y This is the not simplified version.
37y+115 This is the simplified version. Hope this helps!