At the sewing store, Bridgette bought a bag of mixed buttons. The bag included 90 buttons, of which 20% were large. How many large buttons did Bridgette get?

18 large buttons

Step-by-step explanation:

Given that :

A bag of mixed button was purchased ;

Total number of buttons in the bag = 90

Percentage number of large buttons on bag = 20%

Number of large buttons in bag :

(Percentage Number of large buttons * total number of buttons)

= 20% * 90

= 0.2 * 90

= 18

Hence, there are 18 large buttons in the bag.

a 90 degree rotation across the the origin followed by a reflection across the x-axis.

step-by-step explanation: