Question

Can someone explain the concept on how to solve this?

Luisa's current swimming record is 12% faster than it was last year. If her record last year was 4 minutes and 23 seconds, what is her record now? Round your answer to the nearest second.

A. 3 minutes and 51 seconds
B. 4 minutes and 12 seconds
C. 4 minutes and 55 seconds
D. 3 minutes and 85 seconds

How do you solve a problem like this?!

Answer 1

@jacobciezki

Answer 2

yea like this @helpmeplz!!

Answer 3

got it now

Answer 4

she needs help

Answer 5

@prettygirl876

Answer 6

you still need help

Answer 7

percent means per 100
faster means more add
12% faster means add 12%
100% is the whole
new record = 112% of old record

Answer 8

But if faster means more minutes, then isn't that supposed to be slower if it takes more minutes to do something?

Answer 9

less time to complete the whole

Answer 10

I have to admit, I'm a tad confused. Can you explain it step by step?

Answer 11

i cant find the answer