18-10-2019
Mathematics

contestada

Mr. Luca would like to purchase a digital
keyboard for each of his 3 nieces and
1 nephew. The keyboard costs $105.
A. Mr. Luca thinks the total cost should
be about $200. Is this amount
reasonable? Explain.
B. Write and solve an equation to find the total cost of the keyboards. Explain why your answer is reasonable.

Respuesta :

hiltonmommy2 hiltonmommy2

18-10-2019

A) No it is not reasonable because if you’re estimating the cost as
$100 (per keyboard) x 4 (that he needs to buy) = $400

4 x $105 = $420
Or
(3 + 1)$105 = $420

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

What kind of speech would you give at a meeting of your school newspaper to go over next month’s budget?

what is a multiple of 6,9,18 between 61 and 107

Five times the smaller of two consecutive numbers is added to 3 times the bigger, the result is 579. Find the smaller integer.

Physical and chemical weathering processes are responsible for breaking down rocks. which of these is an example of chemical weathering by water?

If the side of a square is twice as long as the radius of a circle, what is the ratio of the perimeter of the square to the circumference of the circle?

PLEASE HELP ME ASAP!!! Excerpt from Richard II William Shakespeare Some way of common trade, where subjects' feet May hourly trample on their sovereign's head;

A student solved this problem and said the answer was 5 miles. Danielle ran 3 miles on Tuesday, 4 miles on Wednesday, and 5 miles on Thursday. How far did Dani

The area of the base of the regular quadrilateral pyramid is 36 cm2 and the area of a lateral face is 48 cm2. Find: Surface area of the pyramid

Which rhythm is essential to Cuban music and functions as the foundation around which most traditional Cuban songs are built? Question 2 options: downbeat backb

Give an example of a combination of two functions, f(x ) and g(x), that would result in a rational function. Be sure to identify the function type for f(x) and