Please answer correctly !!!! Will mark brainliest !!!!!!!!!!!!!!
2 answers:
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
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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