easy4
easy4 easy4
  • 21-07-2017
  • Mathematics
contestada

A man invested a portion of $3,600 at 8% annual interest and the balance at 7%. If he receives $264 interest during the first year how much did he invest at each rate?

Respuesta :

Aliwohaish12
Aliwohaish12 Aliwohaish12
  • 21-07-2017
0.08x+0.07 (3600-x)=264
Solve for x
0.08x+252-0.07x=264
0.08x-0.07x=264-252
0.01x=12
X=12÷0.01
X=1200 invested at 8%

3600-1200=2400 invested at 7%
Answer Link

Otras preguntas

Benchmark of 3/8,3/6,3/4 example
What do we call the proteins that tag antigens for destruction?
What was life like in a boomtown?
Please help me and show working out and explain thank youuuuuuuuuuuuuu
Which strategy would MOST improve Laurel's statement by making its language more conventional? (Laurel is meeting with the new neighbors to discuss babysitting
Which species concept is based on the degree of reproductive isolation between populations of species? a. morphological species concept b. phylogenetic species
how many moles of PH3 are in 250.0 grams of PH3​
9 decreased by the difference of g and f
20 POINTS! Please help! Algebra 2 (There is more than one answer)
a escoba A) La alfombra está muy sucia. La criada pasa ________________. el lavaplatos B) Cuando estoy en la cocina, me lavo las manos en ______________. la l