These are linear system equations which can be solved graphically, by substitution and elimination, but the last two would be more preferable, I also need help with these

Com In what site choice? Give an ") In what situations would choice? Give an example In what situations would choice? Give an example 4 Write a linear system the Practise For help with questions 1 to 6, see Example 1. 1. Leanne works at a greenhouse. She needs to plant a total of 32 bulbs. Two types of bulbs are available. She is asked to plant three times as many crocus bulbs as tulip bulbs. How many of each should she plant? 2. James looks in his TV cabinet and finds some old Beta and VHS tapes. He has 17 tapes in all. He finds that he has three more Beta tapes than VHS tapes. How many of each type does he have? 3. The girls' soccer team held a fundraising car wash. They charged $5 for each car and $8 for each van. They washed 44 cars and vans and collected $262. How many of each type of vehicle did they wash? 4. Rehman invests his summer earnings of $3050. He invests part of the money at 8%/year, and the rest at 7.5%/year. After 1 year, these investments earn $242 in simple interest. How much did he invest at each rate? 46 MHR . Chapter 1