A teacher asks a student to write and solve an inequality to find what numbers satisfy the statement that 3.2 more than 7 times a number, n, lis less than 17.2. The table shows the student's work. Which
statement
true?
Step
Work
1
7n +3.2 < 17.2
2
7n< 14
3
n<7
O A) The student's work in all of the steps is correct because all numbers less than 7 satisfy the
statement
O B) The student made a mistake writing the inequality before Step 1. The correct inequality that
represents the statement is 3.2n + 7 <17.2.
O C) The student made a mistake between Step 1 and Step 2 by subtracting 3.2 from both sides
of the inequality instead of adding 3.2 to both sides of the inequality
OD) The student made a mistake between Step 2 and Step 3 by subtracting 7 from the right side
of the inequality instead of dividing both sides of the inequality by 7.
Jo

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations:

your answer would be 12

yes

step-by-step explanation:

so of course you want to start by plugging the 5 in which goes to 7(5)+3(5)=50 because 7*5=35 and 3*5=15 and then add them together, then plug in the 5 to the other equation as well 9(5)+5=50 because 9*5= 45 and then add 5 and so yes they are equivalent.