Answer: the correct option is (100% of $4) + (10% of $4)
Step-by-step explanation:
Check:
100% of $4
= 100/ 100 x 4
= $4, which is stated as the everyday train fare
10% increase = 10/100 × 4
= 0.1 × 4
= $0.4
New train fare = $4 + $0.4
= $4.4
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