What percentage of R90 is 90cents (2) Sam's dad spends 1/2 of his salary every month on rent and 2/5 on petrol. What fraction is left to spend on food and other necessities for the month

(3) while baking a cake Jill notices that 5/6 of a dozen (12) eggs is rotten! How many does she have to bake her cake?​

question 1 is 8, question 2 is 9, question 3 is 24

step-by-step explanation:

now, the numbers they give you at the top are the key. from there, you just have to plug and chug! let's try 1, 2, and 3!

key: a=3, b=5, c=6

1. a+5

remember, a=3, so we plug that in to get 3+5=8

2. 15-c

c=6, so we plug that in to get 15-6=9

3. 4b

b=6, so we plug it in to get 4*6=24

time to try the rest on your own! if you put the answers below in a comment, i'll check them for you!

answer: median

step-by-step explanation:

the median is the middle value when a data set is ordered from least to greatest

answer

you start with $5 and save $10 a week until you have at least $45wer

step-by-step explanation: