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We can solve this problem by cross them

Answer:

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Answer:
t = 1, u = 10
Step-by-step explanation:
50=t+49, 45=u+35 solve for t and u
Answer:
a) x + y
b) m x 7 or 7m
c) m x 3 or 3m
d) 
Step-by-step explanation:
a) the sum of x and y
- the sum most likely always means addition
b) the product of m and 7
- the product usually means multiplucation
c) the cost of 3 movie tickets at m dollars each
- so your getting 3 movie tickets at $m
the total would be m + m + m which is the same as mutiplying m by 3
d) 3 less than n, all divided by 4
- 3 less than n
less than usually means subtraction
than divided by 4
Answer:
there are infinitely many solutions
Step-by-step explanation:
Question one is 3
Question two is 2
Question three is -4
Question four is -5/6
Question five is -2
Question six is 26
Question seven is 10 inches (you cube root 1000)
Hope this helps