He would need to sell 28 because
12.50*28=350 and 350+50=400
15-20 is -5. If you put 15 on a number line and go back twenty spaces you land on -5 hope this helps.
Answer:
48.8%
Step-by-step explanation:
Just multiply this 0.488 by 100%, obtaining 48.8%.
Answer:
30%
Step-by-step explanation:
The answer is off by 30%, as the scale is off by 3 pounds. 3/10=30