2 years ago

Please answer correctly !!!! Will mark brainliest !!!!!!!!!!!!!!

Mathematics

2 answers:

telo118 [61]2 years ago

7 0

Answer:

5 years old

Step-by-step explanation:

Kevin= k

Daniel= d

k=d+3
k-2=(d-2)*4 ⇒ k-2= 4d-8 ⇒ d+3-2 = 4d-8 ⇒ 3d=9 ⇒ d=3 ⇒ k=d+3=5
k=5

Pani-rosa [81]2 years ago

5 0

Answer:

Kevin is 6 now

Step-by-step explanation:

K= D+3

2 years ago K-2 =4 (D-2) plug in D+3 for K

D+3-2=4D-8

D+1 =4D-8 rearrange equation by subtracting D and adding 8

9 = 3D

D =3 so K =6

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