Answer:
4×30+5×30=120+150=270
Step-by-step explanation:
looking at the last row, we can see that the total number of students will be 4×30+5×30=120+150=270
Answer: The cost of one sandwich is $4.25 and the cost of one cup of coffee is $2.25.
Step-by-step explanation:
Let x be the cost of one sandwich and y be the cost of one cup of coffee.
By considering the given situation, we have the following equations :-

Multiply 2 on both sides of equation (2) , we get

Subtract equation (1) from equation (3), we get

Put value of y in (1), we get

Hence, the cost of one sandwich is $4.25 and the cost of one cup of coffee is $2.25.
Step-by-step explanation:
not possible, but thanks for the points..!
Answer:
159.8195397043133
Step-by-step explanation:
2²⁰
------------------ = 159.8195397043133
3⁸
The numbers that have a digit in the ones place that is 1/10 of the value in the tens place are 1,055 and 3,222.
<h3>What digits are in the ones place?</h3>
The ones place refers to the position immediately before the decimal.
The digit in the tens place is the number immediately left of the ones place.
The numbers that have ones digits that are 1/10 of the digits in the tens place that are 1,055 and 3,222.
That is because 5 is 1/10 of the tens value of 50 and 2 is 1/10 of the 20 in the tens place.
Find out more on the positions of digits at brainly.com/question/579274
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