847 over 100 that is the answer
Answer:
Area = 30
Step-by-step explanation:
Add the two sides
8 + 4 = 12
Multiply that number by the height
12 × 5 = 60
Divide that number by 2
60 ÷ 2 = 30
Pick any number. Multiply the 7 and the 11 both by it,
and you'll have an equivalent ratio.
Examples:
(by 2) . . . 14 to 22
(by 6) . . . 42 to 66
(by 10). . . 70 to 110
(by a million) . . . 7 million to 11 million
To find how many hours Sonia work on her science project,we can multiply the working hours of Tony by the times Sonia did:

Therefore Sonia work on her science project for 5 5/6 hours.
Hope it helps!