Okay so first we need to find 40% of 7.50. To do this you simply divide the percentage by 100, so you have .4 now. You multiply 7.50 by .4 and get 3. Lastly, you just subtract 3 from 7.50 and you get $4.50
Emma will pay $4.50 after the discount.
Answer:
umm let me see
Step-by-step explanation:
Answer:
21
Step-by-step explanation:
Use PEMDAS.
6*3=18
18/3=6
22+5=27
27-6=21
Answer:
percentage change= 500%
Step-by-step explanation:
After diet the weight reduced = 30 pounds
Before diet her weight = 180 pounds
percentage change = { (180 - 30) ÷ 30 } × 100
= ( 150 ÷ 30) × 100
= 5 × 100
= 500 %
∴percentage change= 500%