10x+3(2x+5)=19
10x+6x+15=19
16x+15=19
16x=4
x=4/16
x=1/4
:)
She bought 30 tickets. Just do 7.50 divide 0.25.
Answer:
105
Step-by-step explanation:
15*6=90
6*5=30
30/2=15
90+15=105
The number of stamps with penny in terms of x is 
<em><u>Solution:</u></em>
Given that,
Ryan has x stamps in his collection
Number of stamps of Ryan = x stamps
Let the stamps with penny be "a"
Ryan has 6 times as many stamps as penny
Therefore,
Number of stamps in Ryan = 6 times as many stamps as penny

Thus number of stamps with penny in terms of x is 
Answer:
60
Step-by-step explanation:
Equilateral triangles- all 3 angles are 60