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equal to 0 and 
equal to 30. Write down the set A of all integers that are at most b from a. Present A on the number line.
kilometers from home to school. The time spent on the way to school depends on the traffic.
,
.
pounds. Determine whether the day of the week and the fee of tutorial is constant or variable. Justify the answer.
and 
to the square of the difference between the numbers 
and 
.
shorter than its length.
units long.
, 
and 
by seven?
and 
units. What is the area of the new rectangle that we form by extending the shorter side by 
units?
houses in a settlement. Four people live in each house. How many people will live in the settlement if the number of houses increases by 
?
carriages. There are 
seats in each carriage. How many seats are there on the whole train if the number of seats in the carriage is reduced by 
seats?
streets with 
houses each. In the second settlement, there are three fewer streets than in the first settlement, and each street in the second settlement has four more houses than in the first settlement. How many houses are there in Bristol?
and width 
.
and 
and the difference of the terms 
.
and width 
. What will be the new area of the rectangle if we increase the length by 
units and the width by 
?
preserved if we increase the one side by 
and decrease the other side by 
carriages with 
seats in each carriage. What is the number of seats on the train if the number of carriages is increased by 
and the number of seats in each carriage is decreased by 
?
bags of candy on her shopping list. The other day there were 
candies in each bag. At the store, the grandma notices that there are 
more packaged candies in each bag than the day before. So she decides to buy 
bags less than she has on her list. How many candies will grandma buy today?
, the school organized a trip to Primrose hills, which is 
high. The trip was attended by 
students. Pupils needed between half an hour and one hour of walking to reach the top of the hill.
