Question

x/7+x/9=9/7

Answer 1

\[\frac{x}{9}+\frac{x}{7}=\frac{7x+9x}{7\times 9}=\frac{9}{7}\] is a start

Answer 2

then
\[\frac{16x}{63}=\frac{9}{7}\iff 7\times 16x=9\times 63\iff 16x=81\] etc

Answer 3

is that the answer?

Answer 4

16x=81 is the answer

Answer 5

thank you

Answer 6

the graph at the top of the right is called a circle graph or a pie chart.the represents a whole, or in this care, 100% this graph shows the number of minutes per day that people use email at work. if it were estimated that a large company has 5963 employees, how many of these would you expect to be using email more than 3 hours per day?