For Question 3,
15 ?
__ = ____
120 100
120?=1500
1500/120=12.5
?=12.5%
Question 4
I think it is $462.80
Answer:
22.6 km/hr
Step-by-step explanation:
58.8/2.6=22.6
Answer: d) x+y =40
x=2y -11
Step-by-step explanation:
2.8 is the correct answer :)
SOLUTION:
Case: Percentages
Method:
The sale price after 30% off is $6800
Let the original price be 'x'
30% off means 70% of the original price

Final answer: (Nearest cents)
The original price was $9714.29