EV Technology - Future Battery Technologies
If a next-gen battery increases EV range by 30% and the original range was 300 km, what is the new range?
If a next-gen battery increases EV range by 30% and the original range was 300 km, what is the new range?
medium📝 Analysis Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Calculate 30% of original range
30% of 300 km = 0.30 x 300 = 90 kmStep 2: Add increase to original range
300 km + 90 km = 390 kmFinal Answer:
390 km -> Option BQuick Check:
Range increase = 390 km [OK]
Quick Trick: Add percentage increase to original value [OK]
Common Mistakes:
- Adding 30 km instead of 30%
- Choosing original range without increase
- Mixing up multiplication and addition
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