CY Lew's answer to A's Primary 6 Maths Data Analysis Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
CY Lew
Cy Lew's answer
89 answers (A Helpful Person)
1st
1st hour charge = $2.80
Subsequent half hourly charge x 5
= $1.50 × 5 = $7.50
Total payment = $2.80 + $7.50 = $10.30