Answer:
Step-by-step explanation:
Last option is correct
x+x+x =3x
Red colour shows value is negative
-1-1 = -2
Answer:
24
Step-by-step explanation:
Answer:9 6/20
Step-by-step explanation:
add numerator and find lcf on denominator add whole number
Ralph is 3 years old
Casey is 18 years old
Step-by-step explanation:
Let the age of Ralph be x
Then Casey is 6 times as old as Ralph will be 6x
In two years
Ralph =x+2
Casey=6x+2 ⇒ 4(x+2)
Equate the two equations for Casey as
6x+2 = 4x+8
6x-4x=8-2
2x=6
x=6/2= 3
Current age;
Ralph= x= 3 years old
Casey=6x = 6*3= 18 years
Learn More
Forming expressions and solving equations;brainly.com/question/1280754
Keywords :six, times, years
#LearnwithBrainly
4 weeks at 7 days per week = (4 x 7) = 28 days
28/-14 = - 2....so the average change is -2 per day
