Answer:
they are 16 and 4
Step-by-step explanation:
We can call the numbers x and y and we can write:
x - y = 12
x + y = 20
Adding these equations gives us 2x = 32 which means x = 16 and substituting this value into the first equation gives us y = 4.
1,000 x 0.04 = 40
250+ 40 = 290
That week she made $290
Answer:
Step-by-step explanation:
93+(75)
= 168
1,000,000
If the number is 5-9 (in this case, the one in the hundred-thousands place), you round up. If lower, then round down
Answer:
He could choose any of the variable because in order to solve a linear equation one of the two variables should be equal. He can multiply the any of the equation with corresponding numbers and can equal the equation to substitute them.
Step-by-step explanation:
