Each saturday the gym holds 45 minute yoga classes. the weekday yoga classes last 30 minutes. the number of weekday classes varies. last week the yoga class is totaled 165 minutes. how many weekday yoga classes were held?

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?