Step-by-step explanation:
Let's break it down:
first number = 30
Qoutient is the result obtained when you divide a number by another number.
quotient of 30 and the sum of 5 and 7 means we will divide the first number (30) by the second statement after the 'and' (5 and 7).
quotient of 30 and the sum of 5 and 7 is: