Multiplication is an abbreviated form of addition.
For instance,
3 × 3 = 3 + 3 + 3 = 9
Answer:
180
Step-by-step explanation:
450 x 0.4 = 180
Answer:
The believe the rate of change is 3
Step-by-step explanation:
Using rise and run
And also the x1 y1 * x2 y2 formula
Answer:
345 - m = 229
Step-by-step explanation:
4x+7y=4.88 -> mult by -3 -> -12x-21y=-14.64
12x+8y=7.88
-12x-21y=-14.64
Add the two above equations together, the y will be left:
-13y=-6.76
y=0.52 —> cost of each apple (plug back into one of original equations, I chose 4x+7y=4.88:
4x+7(0.52)=4.88
Solve for x.
x=0.31 —> cost of each orange
