90/3=30 30*(15)=450 450 is your answer.
Answer:
549
Step-by-step explanation:
A calculator can give you an equivalent expression.
I might work from the middle outward:
= 486 -3 +33×2
= 483 +66
= (480 +60) + (3 +6)
= 540 + 9
= 549
Answer:
12 I think?
Step-by-step explanation:
Answer: it’s 70 years
Step-by-step explanation: