Step-by-step explanation:
it is calculated by chain rule,...
Answer:
155
Step-by-step explanation:
you add 72 and 83 together
78=.75x or $78 is 75% of the original price before the discount 78/.75=x x=104 is the original price proof 104-(.25*104)=78 104-26=78 78=78
SOLID: gold, wood, sand
LIQUID: water, milk, blood
GAS: oxygen, helium, carbon dioxide
