Find the area of the small circle then the get the radius of the big circle add both radius' (12) . you would use the normal formula to find the area of the big circle as well . you should get your answer that way !
Answer:
Julio's number is 212
Step-by-step explanation:
(x - 12) ÷ -5 = -40
x - 12 = -40 times -5
x - 12 = 200
x = 200 + 12
x = 212
Check:
(x - 12) ÷ -5 = -40
((212 - 12)) ÷ -5 = -40
200 ÷ -5 = -40
-40 = -40
There are 1000 millilitres in one litre, so Shanika will need 700 more millilitres.