17. julie figures that she will need at least 540 marks to get the items she wants when visiting germany.
give an estimating example of how julie could guarantee herself of having at least 540 marks. show
and explain your example below.

One positive number is 9 more than twice another. if their product is 95, find the numbers

Complete the steps to find 4.830 ÷ 5

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?