If three times a certain number is increased by 4 the result is 28
2 answers:
The number is 8. You work backwards. 28-4=24. 24/3=8
Answer:
The number is 8
Step-by-step explanation:
Let x be the number
3x+4 = 28
Subtract4 from each side
3x+4-4 = 28-4
3x= 24
Divide by 3
3x/3 =24/3
x = 8
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so 16 pizzas are pepperoni
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