Answer:
15
Step-by-step explanation:
Let x be the number
3 times the number = 3x
7 more than 3 times a number = 3x +7
3x + 7 = 52
3x = 52 -7
3x = 45
x = 45/3
x = 15
Answer: 350% is your answer just 7/2×100= 350%
28
30÷6 =5 or 30÷5 =6 good luck!
