loriloves03ozjohr loriloves03ozjohr

17-11-2017
Mathematics

contestada

1 load of bricks weigh twice as much as a load of sticks. the total weight of 4 loads of each is 771 kg. What is the total weight of 1 load of bricks and 3 loads of sticks?

Respuesta :

paradise227 paradise227

17-11-2017

x=brick y=sticks
x=2y
4x+4y=771
4(2y)+4y=771
8y+4y=771
12y=771
y= 771/12
y = 64.25
x = 64.25*2=128.5

Answer:
128.5+64.25*3=321.25kg

Answer Link

Otras preguntas

When the sum of an unknown number z and 22 is divided by the same unknown number, the quotient is 12. What is the unknown number?

Which of the following does NOT promote speciation? a. gene flow b. season of fertility c. natural selection d. genetic drift

What the hypothenuse of a right with length of 6 and 8

The National Geographic findings on the sinking of the Maine were mostly based on

Which is not an adaptation of desert animals that help them retain and acquire water in such a hot and dry environment? a. burrow in moist soil or live in under

Which city is located in two continents?

What are the identities of bromine if it's melting point is -7.2 degrees C and it's boiling point is 59 degrees C and if chlorine has a melting point of -100 de

Give a me a word in spanish that starts with a "W" ? Please? i need it for a project ... pls help!!

How did the level of participation of female voters affect the 2008 presidential election? A. Female voters were greatly outnumbered by male voters. B. Female c

Suppose you walk into the Capitol in Washington and ask to interview the most prominent person in the entire Congress. If they accept, you'll get an appointment