2 doesn't work, because that would give you 7/0 on the left.... therefore C and D are out. 4 works, giving .5=.5, so you don't have to test -5 since 4 and -5 is not an option.
You have to use the formula to find the area of the triangle Remember,the area equation is b times h to the b divided by 2.Doing this will get you 600 m.
7.5 × 10-4
That's the scientific notation answer ^
Answer:
875
Step-by-step explanation:
lets assume the original amount X
the new amount = X - ( X × 40% )
525 = (60 × X) ÷ 100
X = ( 525 × 100 ) ÷ 60
<u>X = 875</u>