QUESTION IMAGE
Question
write an algebraic expression for each of the given quantities. three brothers spent different amounts of money on their recent vacation. ethan spent $25 less than samuel. diego spent 3 times as much as ethan. how much did each brother spend when they spent a total of 3 times the amount samuel spent? let x represent the amount of money samuel spent. > enter the answer in each space provided. use numbers instead of words.
| expression | money ethan spent | money diego spent |
|---|
answer the question by writing and solving an equation. > enter the answer in each space provided. use numbers instead of words.
equation
samuel spent $, ethan spent $, and diego spent $.
Step1: Define expressions for each brother
Let $x$ = Samuel's spent amount.
Ethan's amount: $x - 25$
Diego's amount: $3(x - 25)$
Step2: Set up total spending equation
Total = 3×Samuel's amount:
$$x + (x - 25) + 3(x - 25) = 3x$$
Step3: Simplify and solve for $x$
Expand and combine like terms:
$$x + x - 25 + 3x - 75 = 3x$$
$$5x - 100 = 3x$$
$$2x = 100$$
$$x = 50$$
Step4: Calculate Ethan's spending
Substitute $x=50$:
$$50 - 25 = 25$$
Step5: Calculate Diego's spending
Substitute Ethan's amount:
$$3×25 = 75$$
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Expressions:
Money Ethan Spent: $x - 25$
Money Diego Spent: $3(x - 25)$
Equation:
$x + (x - 25) + 3(x - 25) = 3x$
Amounts:
Samuel spent $\$50$, Ethan spent $\$25$, and Diego spent $\$75$.