Answer:
105+50=155 so 180 subtract 155 is 25
135
cross multiply 9*20 then divide by 8
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:
Step-by-step explanation:
First reduce this to lowest term
