1st way= Round your SUM to the closest. Example: 44 is close to 40 since its not 45 yet.
16 weeks. Just add 23 + 4 +4 and so on to get your answer.
Step-by-step explanation:
x+9-10=500
x-1=500
x=500+1=501
Answer:
30
Step-by-step explanation:
You’re correct