10. mp find the error the ratio of quarts of
white paint to red paint is 3: 4. a student
says that to maintain the same ratio, he will
need 7 quarts of white paint if he has
8 quarts of red paint, because originally
there was one more quart of red paint than
white paint. find the student's mistake and
correct it.

The quarts of white paint needed are 6 instead of 7 quarts

Step-by-step explanation:

Let

x -----> the quarts of  white paint

y -----> the quarts of  red paint

we know that

The ratio of quarts of  white paint to red paint is

we know that

if he has  8 quarts of red paint,

using proportion

Find out the quarts of  white paint needed

therefore

The quarts of white paint needed are 6 instead of 7 quarts

78.59 is the mean

step-by-step explanation: