Question

Gwen saves 15% of her income. This month her income is $500 more than last month. The expression 0.15(x+500) represents the amount of money she saves this month, where x is last month’s income. Gwen saves $210 this month. What was Gwen’s income last month?

Answer 1

Answer:

Step-by-step explanation:

the equation is X x 0.15 + X x 0.8 +550= X

now lets answer. :)

or its like 8%+15%+77% = x

where 77% is 550 then 1% is 550 divided by 77 = 7.1429 so 8%= 8x 7.1429=57 And 15% is =15 x7.1429= 107.

. ok?

so th money given by tax is 107 (approx)

hope it helps.

Answer 2

Answer:

Last month, Gwen's income was $900

Step-by-step explanation:

This month Gwen's income is $500 + x

She saves 15% of her income

Therefore, she saves this month = $\frac{15}{100}$ times (500 + x) = 210

=> 7500 + 15x = 21000  [multiplying both sides by 100]

=> 15x = 13500

∴ x = 900

Last month, Gwen's income was $900