Answer:
<h2>-34</h2><h2 />
Step-by-step explanation:
4x - 5y x=4 , y=10
= (4*4) - (5*10)
= -34
Step-by-step explanation:
let the percent of found balloons be x
given,
total number of balloons= 70
number of found balloons= 28
according to the question,
x% of 70= 28
x/100 × 70 = 28
x=40
hence 40% of the balloons were found
1 adult=2
1 child=1
multiply 2*8=16 adult glasses
multiply 1*5=5 child glasses
in total she needs 21 glasses
hope I was helpful
The answer to this question is 20 placed in order
