Mathematics, 31.08.2019 12:00 JayLiz1737

Henry's current age is 10 times justin's current age. in 6 years henry's age will be 4 times justin's age. which system of equations can be used to calculate h, henry's current age, and j, justin's current age?
a. j = 10h
j +6=4(h+6)
b. j = h+6
j+4=h+10
c. h = 10j
h+6=4(j+6)
d. 10j
h+4=6(j+4)
explain too!

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