$\begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{40\% of 315}}{\left( \cfrac{40}{100} \right)315}\implies 126~\hfill \underset{\textit{after discount}}{\stackrel{315~~ - ~~126}{189}}$

8 0

1 year ago

The ages in years of eight boys are 14,

SashulF [63]

Answer:

B) 13

Step-by-step explanation:

Average age means to calculate mean:

Mean = (Sum of all numbers)/(Number of numbers)

Mean = (14 + 14.5 + 12 + 11.5 + 15 + 13 + 10.5 + 13.5)/8

Mean = (104)/8

Mean = 13

5 0

2 years ago

True or false ? help plz

shutvik [7]

Answer:

TRUE

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

HELP ME PLEASEEEEEEEEEEEEEEEEEEE

aniked [119]

Answer:

the last one :)

Step-by-step explanation:

3 0

2 years ago