Answer:
Step-by-step explanation:
The variables are defined, so we only need to express the given relations. The total of the two quantities is 14.
x + y = 14
The sum of costs is $72. Totts are $8 each, so x of them will cost 8x. Elentines are $3 each, so y of them will cost 3y.
8x +3y = 72
Answer:
A square
Step-by-step explanation: A square is a parallelogram. This is always true. Squares are quadrilaterals with 4 congruent sides and 4 right angles, and they also have two sets of parallel sides.
9.75 i think I’m not really sure do you have any options?
Step-by-step explanation:
4v+6=2(2y+3)
4v+6=4y+6
-4. -4
6=6
a) 67=50+17
50×7+17×9=350+153=503$
b) 123=50+50+23
50×7+50×9+23×10=350+450+230=1030$
