Answer:
$49 is spended by him.
solution given:
rate=for $10.50 per half yard=$10.50/0.5=$21 per yard
area=2 1/3=7/3yards
now
total cost =rate× area =$21×7/3=$49
B. -9 is the most negative one, -2 is the least.
Hope this helps you.
Well do 24 - 13.
You should get 11.
N = 11.