3. In a computer game, you earn five points when you win and lose three points when you lose the game. Kioko played the game three times. He won in the first trial, lost in the second trial and won in the third trial. Use a number line to determine how many points Kioko had at the end of the third trial. 4. 5. An investment group had sh 15 000 in a bank account. To finance a project, members withdrew all the money and also borrowed sh 5 000 from the bank. Later, they deposited sh 3 000 in the account to pay the loan. (a) Write an expression to represent the transactions. (b) Work out the value of the expression using a number line to determine whether the bank account ended up with a balance or a loan. The level of the water, as shown by a water gauge in a dam, was 7 cm. After it rained, the level went up by 6 cm. After some months, the level went down by 15 cm. (a) Write an expression to represent the final level of the water. (b) Determine the final level of the water using a number line. Explore 1. (a) Dra (b) From jum 2. (a) Wr (b) We 3. Jump st 4. operati (a) Discus Wor Use a num Solution. in a computer game you earn five points when you win and lose three points when you lose the game kioko play the game three times he won in the first trial lost in the second trial and won in the third trial use a number line to determine how many points kyoko had at the end of the third trial
