Write the equation of the cost p stands for the cost per pear, a stands for the cost per apple 6p + 3a = 3.9 2p + 5a = 3.3
Solve the equation system To solve the equation system, we work on eliminating variable p so we will find the number of a. To eliminate, we have to change the coefficient of p to the same number (i will change it to coefficient 6) 6p + 3a = 3.9 (multiply 1) 2p + 5a = 3.3 (multiply 3) --------------------------------- 6p + 3a = 3.9 6p + 15a = 9.9 -------------------- - (substract) -12a = -6 a = -6/-12 a = 0.5
To find the cost per pear, subtitute the number of a to one of the equation 2p + 5a = 3.3 2p + 5(0.5) = 3.3 2p + 2.5 = 3.3 2p = 3.3 - 2.5 2p = 0.8 p = 0.4
Line NM is 9 and the measure of angle MLN is 58 degrees. This is because both triangles are equal in length, size, and angle measures. The triangle to the right is just rotated and reflected.
