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

you slip in a patch of ice and land on your elbow. The skin is not broken, but a bruise is forming. Describe the methods you can use to treat it immediately

Which sentence describes a tropical dry forest?

what are some ideas to help reduce injury during physical activity?

are the two figures similar? if so give the similarity ratio of the smaller figure to the larger figure. explain why or why not

A quadratic sequence is defined as:2;12;28;50 Calculate the first difference between Tn and Tn-1 where Tn= 688

Find the sum of the first five terms of the geometric sequence: - 1, - 6, - 36

Massa says that 540 ÷ 6 = 9. Is he right? Explain how you know using an equation.

The radius of a sphere is 3 inches. Which represents the volume of the sphere? • 12t cubic inches • 367 cubic inches • 647T cubic inches • 817 cubic inches

Sam opened a savings account with $400. He earns $1,640 a month at his job and will deposit 3% of his monthly pay every month into his new savings account. Assu

Which computer use microprocessor as its CPU ?