80% of a gram.
One gram is $100, aka $100 is 100% of a gram, so $80 would be 80% of a gram.
Usually the easiest way to solve this is by using a calculator. Of course only if your teacher allows you too.
Answer:
Step-by-step explanation:
Direct variation has the form y=kx, given k=7 and x=20
y=7(20)=140
C or D
widest spread is about a range whichever has lowest OR/AND highest number is correct