The original number is 140
for this problem you will need to do a proportion
40/100 = 56/x
40x = 56 * 100
40x = 5600
40x/40 = 5600/40
x = 140
hope this help with other problems
Joel = j, Mark = m, Sandra = s
j + m + s = 120
m = 3j
j = 1/2 s --> s = 2j
plug in (substitute) each letter to make it in terms of only j: j + m + s = 120
j + 3j + 2j = 120
6j = 120
6j/6 = 120/6
j = 20
now plug in for the j & s equation:
s = 2j = 2(20) = 40
Therefore Sandra has 40 coins!
The option is the 3rd bubble
Answer:
1/3
Step-by-step explanation:
0.33* 3 is 99.9, which is as close to one hundred as possible
Answer:
$12.96
Step-by-step explanation:
4.5 x 2.88 = $12.96
hope this helped!