Answer 0.24. i hope this is right
Option b) 566.25
just subtract the amount his parents are paying from the total
and divide the remainder by the amount of months (24)
d=28g I might be wrong, but we can find this by dividing 140 by five, which equals 28.
We have the area of the base of a triangular prism= a*b
the volume of triangular prism =a*b*c( where c is the height) so that 210=a*b*14 ==> 210= base area*14==> base area= 210/14