Contraction if the scale factor is <1 (0.25, 0.8, 0.375)
<span>Expansion if the scale factor is >1 (1.5, 4, 1.75 )
0.25<1
0.8<1
0.375<1
1.5>1
4>1
1.75>1</span>
Answer:
7,000g of sand
Step-by-step explanation:
700g + 6,300g = 7,000g
0, adding it in and then subtracting it out cancels both out
First, solve for y
4x-5y=15
Subtract 4x from both sides
4x-4x-5y=15-4x
-5y=15-4x
Divide by -5
y=

See attached graph.
Hope that helps.