Chapter 14.1, Problem 29PPS

To determine

To write and simplify polynomial expression

Answer to Problem 29PPS

  $17x+10y$

Explanation of Solution

Given information:

Micheal:

Number of lawns = 8

Number of hours babysitting= 6

Olivia:

Number of lawns = 9

Number of hours babysitting= 4

Calculation:

Money earned by lawn= $x$

Money earned by babysitting= $y$

According to question,

Total earning of Micheal= $8x+6y$

Total earning of Olivia= $9x+4y$

Total money earned together= Total earning of Micheal+Total earning of Olivia

  $\begin{array}{l}=8x+6y+9x+4y\\ =17x+10y\end{array}$