Answer:
The amount she started with is $41
Step-by-step explanation:
Given the following:
• Tina spent 1/4 of her money on purse.
Let $x represent all the money she has.
Then she spent 1/4 of x on purse.
• She paid $5 to her mum
• She spent $5.75 on hair ribbons
• She has $20 left
The total of her money sums to x, including the ones she has spent.
we have:
Solving for x, we have the amount she started with
Subtract (1/4)x from both sides
The amount she started with is $41