30% percent is what they marked up
Answer:
1/2a-19=-13
Step-by-step explanation:
One half of a number represents the phrase "1/2a" (in this case the variable/number is 'a'". Then because it says "nineteen less than", that means you subtract 19 from one half of the variable.
Answer: number one is d and number 3 is c I think
Step-by-step explanation:
Answer:
less than
Step-by-step explanation:
its negative