Simplify 2.52

Answer choices
A. 100
B. 20
C. 50
S. 49

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?