Solving mixture problems

What would be the best first step to solving the equation?
-3=x+5

• add 3 to both sides
• subtract 5 from both sides
• add 5 to both sides
• subtract -5 from both sides

Tags

CCSS.6.EE.B.7

What would be the best first step to solving the equation?

• multiply both sides by 3
• multiply both sides by 4
• divide both sides by 3
• divide both sides by 4

Tags

CCSS.6.EE.B.7

What would be the best first step to solving the equation?
-6x=-24

• multiply both sides by -6
• divide both sides by -6
• add 6  to both sides
• subtract -6  from both sides

Tags

CCSS.6.EE.B.7

• add 2 to both sides, then divide by 4

• subtract 2 from both sides, then divide by 4

• subtract 18 from both sides, then divide by 4

• divide by 4, then subtract by 2

Tags

CCSS.7.EE.B.4A

• x = 11

• x = 8

• x = 14

• x = 7

Tags

CCSS.7.EE.B.4A

• x = 2.9

• x = 9.2

• x = 6.8

• x = 8

Tags

CCSS.7.EE.B.4A

Find the amounts of 20% salt solution and 8% salt solution that should be mixed together to make 500 ml of 15% salt solution.

• 291.67 ml of 20% salt solution,
  208.33 ml of 8% salt solution

• 280 ml of 20% salt solution,
  220 ml of 8% salt solution

• 208.33 ml of 20% salt solution,
  291.67 ml of 8% salt solution

• 220 ml of 20% salt solution,
  280 ml of 8% salt solution

• A

• B

• C

• D

Tags

CCSS.8.EE.C.7B

• A

• B

• C

• D

• A

• B

• C

• D

Tags

CCSS.8.EE.C.7B