Step-by-step explanation:
step 1. 42 represents 35% of the birds.
step 2. 42/.35 = all of the birds counted.
step 3. 42/.35 = 120.
step 4. There are 120 total.
Answer:

Step-by-step explanation:
Let x be the amount of dough required for small pizza, y be the amount of dough required for medium pizza and z be the amount of dough required for large pizza.
As per the question , we have

Hence, the equation for the question with the variable representing the amount of dough needed for small pizza.

Probability of driver not speeding= 1 - 0.27 = 0.73
_______________
Any doubt? Do ask!
And Click on the pink heart symbol.