Matthew has $1,500 in his savings account. Currently, he pays $20 each month for an app that he has subscribed to and $30 each month at his favorite Italian restaurant. If
he does not spend money on anything else or make any other deposits into his savings
account, for how many months can he continue to make these purchases without going
into debt?

30 months

Step-by-step explanation:

Hi, to answer this question we have to write an equation:

Matthew's saving account money (1500) must be equal to the product of the amount he pays per month for the app subscription  (20) and the number of months (x); plus the product of the amount he pays per month for the Italian restaurant subscription  (30) and the number of months (x).

1500= 20x+30x

Solving for x:

1500=50x

1500/50 =x

30 months =x  

Feel free to ask for more if needed or if you did not understand something  

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

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umumumumum

im not sure