Answer:

Step-by-step explanation:

x+1· x+2=7
Simplify x+1· x+2: 2x+2x+1· x+2
Add similar elements: x+1· x=2x=2x+2
2x+2=7[ 2x+2=7 ]
Isolate x for 2x+2=7: x=52 2x+2=7
Subtract 2 from both sides
2x+2−2=7−2
Simplify
2x=5
Divide both sides by 2
2x2 =52 Simplify
Answer:
$21.25
Step-by-step explanation:
Mrs.Cronkhite paid $21.25 per person.
85 divided by 4 is 21.25
Hope this helps!
17/4 because you have to do 4x4 +1 which equal 17 then make that an improper fraction.
Answer:
70
Step-by-step explanation:
840 / 12 = 70
Answer:
4200
hope helpful <3 !!!!!!!!!!!!!