[multiply the first equation by -2]
[-2x - 10y = 4]
[add like terms between the equations]
[-5y = 10]
[y = -2]
[x = 8]
(8, -2)
Answer:
540 towels
Step-by-step explanation:
cross multiply
towels time
4 120
18 x
4x=120×18
x = 540
Answer:
2,4,8,16,32,64,128,256,512,1024
Step-by-step explanation:
Pattern: Multiply the latest number by 2.
16 x 2=32
32 x 2=64
64 x 2=128
128 x 2=256
256 x 2=512
512 x 2=1024
9 lead cubes of side 3 cm could be made from a lead cube of side 27 cm.
This is because,
27/3= 9