What is subtracting fractions from mixed numbers for grade 4

How to do algebra? is it hard to do?

If it takes eight men ten hours to build a wall, how long would it take four men?

A piece of wire 16 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle.

Linear equations clark wants to figure how many pens to order for the office. There are 36 workers, and he needs to order one pen for each worker.

81.63 which is lesser 89.01 or 8.163 or 181.63

A playground area is circular with a diameter of 32 feet. what is the area and circumference of the playground?

If f (x) = [X1 + 9 and g (x) = - 6, which describes the value of (f + g) (x) ? O (f + g) (x) 3 for all values of x O (f + g) (x) < 3 for all values of x (f+g) (x) < 6 for all values of x O (f + g) (x) > 6 for all values of x

4x+2y=10 and x-y=13 Use transitive property

Which describes the calculations that could be used to solve this problem? Mindy bought 6 cans of soup and 1 box of crackers. One can of soup cost $1.59. Crackers were on sale at 4 boxes for $10.80. How much did Mindy spend? A. Divide $10.80 : 4.

Students at a middle school were surveyed on how they get to school. Out of 230 students, 10% said they ride their bikes to school each day. 10% is equivalent to the unit fraction ... To find 10% of 230, divide 230 by ... 10% of 230 is ...