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

Tell whether the following solvents would be the top or bottom layer in an aqueous extraction a) Methanol b) hexane c) benzene d) dichloromethane e) diethyl et

How is diffusion important to animals

Explain how you could use a number line to determine -5 -(-3) What is the difference?

Can you help me with 3.672 ÷ 7.5

an amount was shared in the ratio 3:4 £36 was the smallest share. what was the total amount shared?

The quantity t1/2=τ ln 2 is called the half-life of an exponential decay, where τ=RC is the time constant in an RC circuit. The current in a discharging RC circ

A watch increased in price by 5/6 . After the increase it was priced at £88. What was the original price of the watch?

Look at the PHP code below. Write a PHP "for "statement that iterates through the Sfruits array. Please note do not use VARDUMP, or a foreach statement. Write

Which polynomial, when added to the polynomial 5x^2-3x-9 is equivalent to: 18

What are the three chemical molecules that make up the subunits of DNA?