Answer: 30y + 15x
If x is for sneakers, and y is for high heels, plug 15 in for a and 30 in for b. This means that x is how many sneakers she buys, and y is how many high heels she buys. The equation altogether represents the total amount of her purchases.
Answer:
ok ill look
Step-by-step explanation:
Substitution or elimination
When dealing with percentages it is often much easier to convert it to a decimal (mostly because a lot of people are uncomfortable working with fractions) but in this case, I suggest dividing 1 into 5 [hint hint fractions are just glorified division in the long run] and after you have done that multiply by 100. This will get you your answer.
Answer:
2 ( - x + 2 )
Step-by-step explanation:
x - 3x + 2 = - 2x + 2
- 2x = 2 * - x
2 = 2 * 1
- 2x + 2 = 2 ( - x + 2 )
Hence factorized.
