Answer:
one student followed BODMAS other didnt
Step-by-step explanation:t
The system of equations that represent the situation are 1.20R + 2B = 70, and R + B = 90.
<h3>What are the system of equations?</h3>
The system of equations are sets of equations that have to be solved simultaneously in order to determine their required values. They are often referred to as simultaneous equations.
To learn more about simultaneous equations, please check: brainly.com/question/25875552
so we're trying to figure what portion of silas' slime is detergent. we know that his slime is a combo of 5 oz glue and 2 oz detergent for a total of 7 oz of slime.
what we want to find is how much of those 7 oz of slime is detergent.
quite simply 2 oz of the 7 is detergent.
to make that into a percent just divide 2 by 7.
2/7 = 0.2857
then move the decimal over two spots to get
28.57 or
D. 28.6%
just remember that percents are just how much makes up the whole.
Answer:
<u>x = 58</u>
Step-by-step explanation:
180 - 148 = 32
32 + 90 + x = 180
122 + x = 180
180 - 122 = x
x = 58
Have a nice day!
