3x+2y=50
x+y=19
x=12, y=7
12 jumps, 7 "raise the roof"s
Answer:
8x-8
Step-by-step explanation:
if Lana is X year
then that makes Yan 3X-4
the father is twice the sum of their ages
3X-4+X=4X-4
the father being twice
his age should be
8X-8
Answer:
in particular, the relationship between height of stack and number of cups yields a non-whole number of cups, corresponding to a height of 95 cm. In this context, that is not possible because we do not allow for parts of cups.
Step-by-step explanation:
Answer:
2m × <u> 100 </u> = <u> 200 </u>cm
Step-by-step explanation:
well the prefix <em>centi</em> means 100, and if you want to know how many <em>centi</em>meters are in a meter, then you should multiply by 100
so
2m × <u> 100 </u> = <u> 200 </u>cm.
