Answer:
she is 13
Step-by-step explanation:
her brother is 7.
13+7=20
Answer
miranda is 13 and her brother is 7
71-d
5x+18+4x-9=360
9x+9=360
9x=360-9
9x=351
x=351/9
x=39
therefore, <M=4(39)-9
<M=156-9
<M=147°
mean= $339.20
median= $318.00
mode= $445.20
range= $243.80