Friday

January 30, 2015

January 30, 2015

Posted by **sherry** on Thursday, March 22, 2012 at 1:02pm.

a).x+y=434;9x+10y=40.16

b.)0.09+0.10y=$434;x+y=40.16

c.)x=y=434*0.09x+0.10y

0.09*434+0.10=434=40.16

- Algebra -
**Henry**, Friday, March 23, 2012 at 10:02pmMike invested:

$X @ 9%.

$Y @ 10%.

Eq1: X + Y = 434.

Eq2: 0.09X + 0.10Y = 40.16.

Multiply BOTH sides of Eq2 by 100:

Eq2: 9X + 10Y = 4016.

NOTE: Under choice "a", They forgot to

multiply the rt side by 100. Thererfore,if they change 40.16 to 4016; "a" would be the correct choice.

**Answer this Question**

**Related Questions**

algebra - Select the set of equations that represents the following situation: ...

intermediate algebra - Select the set of equations that represents the ...

intermediate algebra - need the equation for this problem. Mike invested $706 ...

algebra - Select the set of equations that represents the following situation: ...

algebra - Select the set of equations that represents the following situation: ...

algebra - Select the set of equations that represents the following situation: ...

algebra - Select the set of equations that represents the following situation: ...

Algebra 2 - Sam invested $7000, part at 7% and the rest at 11%. If his total ...

Math - A total of $11,000 was invested. Part of the $11,000 was invested at 4% ...

algebra - Janet invested $23,000, part at 6% and part at 17%. If the total ...