Answer:
x=9
y=3
Step-by-step explanation:
since all three sides of an equlateral triangle are equal:
3x+y=30 then y=30-3x
4x-2y=30
4x-2(30-3x)=30
4x-60+6x=30
10x=90
x=9
3x+y=4x-2y
x=3y
y=3
Answer:
or
Step-by-step explanation:
we know that
Applying Pythagoras' Theorem, calculate how many kilometers eastward Santos walked
so
Let
x----> quantity of kilometers eastward that Santos walked


----> exact value
-----> approximate value
Answer:
the number of tables needed is 16.5
Step-by-step explanation:
198/12=16.5
Answer:
Would be paid $69.75
Step-by-step explanation:
Since he is paid $0.75 per quart, and he has picked up 93 quarts, you would multiply 0.75 by 93. Which would give you $69.75.