Diana had chocolate, and ate some, leaving 0.75 of it for Sarah.
Sarah ate 18.5 grams of it and return the rest to Diana, which was 65% of the original chococate.
How much chocolate did Diana have at the beginning?
and the solution is:
0.75x-18.50=0.65x
0.75x-0.65x=18.500.1x=18.50x=185
So Diana had 185 grams of chocolate. Hoped that helped!!!
3(x-9)=-39
3x-27=-39
+27 +27
3x=-12
/3 /3
x=-4
Answer:
Step-by-step explanation:
-3m*n+4m-3 when m=2:n=-2
-3(2)*(-2)+4(2)-3=
12+5=17
Answer:
5x-y
Step-by-step explanation:
=2x + 7y + 2x - 8y + x
=2x+2x+x+7y- 8y
=5x-y
hey friend hope it's help you...