Respuesta :
Answer:
The quantity of paints did Brain uses to paint each bookshelves is 1.1 gallons .
Step-by-step explanation:
Given as :
The quantity of red paint = 4 [tex]\frac{3}{10}[/tex] = [tex]\frac{43}{10}[/tex] gallons
The quantity of blue paint = 3 [tex]\frac{2}{5}[/tex] = [tex]\frac{17}{5}[/tex] gallons
So, The total quantity of paints = The quantity of red paint + The quantity of blue paint
or, The total quantity of paints = [tex]\frac{43}{10}[/tex] + [tex]\frac{17}{5}[/tex]
Or, The total quantity of paints = [tex]\frac{43+34}{10}[/tex]
Or, The total quantity of paints = [tex]\frac{77}{10}[/tex] = 7.7 gallons
Now, The total number of bookshelves to be paint = 7
And The total quantity of paints = 7.7 gallons
∵ To paint the 7 bookshelves , the quantity of paints = 7.7 gallons
∴ To paint the 1 bookshelves , the quantity of paints = [tex]\frac{7.7}{7}[/tex] gallons
I.e To paint the 7 bookshelves , the quantity of paints = 1.1 gallons
Hence The quantity of paints did Brain uses to paint each bookshelves is 1.1 gallons . Answer
