exam Maths Puzzle Numerical Ability

I need help with this innequality: 1/5 (one fifth)x + 1/2 (one half) is > 4/5 (four fifths)

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exam Other Question

Y=3x+5
2y-6x=4
using elimination
the sum of 3 cpnsecutives odd integers is 40 more than the smallest. What are the integers?