HW Riya spends \( 66 \frac{2}{3} \% \) of her income. If his incom increases by \( 16 \% \) and savings increase by \( 17 \% \) find the increase in his expenditure.

With your teacher: The first term of a arithmetic sequence is 14 . The \( 7^{\text {th }} \) term is 50 . Find: (a) The common difference ' \( d \) '. (b) The rule for the sequence. The \( 6^{\text {th }} \) term of an arithmetic sequence is 123 . The \( 11^{\text {th }} \) term is 98 . Find; (a) The common difference ' \( d \) ' and first term ' \( a \) '. The rule for the sequence. (b) (c) \( 16^{\text {th }} \) term.

What percentage is 36 of 82 ?

a. Find \( 80,6 \% \) of 110.

Example 3 If a student saves Ghe 1 on the first day, Ghe 2 on the second day, Ghe 3 on the thit day and so on. What will be his total saving in 365 days?

If \( 3^2 \) is calculated, what is the result?