Compute.
-$5 \mathrm{yr} 7 \mathrm{mo}+2 \mathrm{yr} 11 \mathrm{mo}$
A) 8 yr $5 \mathrm{mo}$
B) 7 yr $6 \mathrm{mo}$
C) 7 yr $18 \mathrm{mo}$
D) $8 \mathrm{yr} 6 \mathrm{mo}$

Question

Quizplus · Accepted Answer

First, add the years: $5 \mathrm{yr} + 2 \mathrm{yr} = 7 \mathrm{yr}$. Then, add the months: $7 \mathrm{mo} + 11 \mathrm{mo} = 18 \mathrm{mo}$. Since 18 months is equivalent to 1 year and 6 months, add 1 year to the 7 years, resulting in $8 \mathrm{yr} 6 \mathrm{mo}$.

Compute - 5yr7mo+2yr11mo5 \mathrm{yr} 7 \mathrm{mo}+2 \mathrm{yr} 11 \mathrm{mo}5yr7mo+2yr11mo A) 8 Yr

Compute
- $5 \mathrm{yr} 7 \mathrm{mo}+2 \mathrm{yr} 11 \mathrm{mo}$ A) 8 Yr