Step-by-step explanation:
solve for surface area
A=6a^2
a=edge
See photos for solutions and steps :)
That's addition of mixed numbers. Convert 3/7 and 5/9 to fractions with the denominator (7)(9) = 63 (this is the LCD):
10 27/63 + 19 35/63
This comes out to 29 62/63.
Answer: Boy = 20 and Girl = 15
Explanation:
Boy = 35 x 4/7 = 20
Girl = 35 x 3/7 = 15