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worty [1.4K]
3 years ago
9

I can not find the answer to any of these. Could you please help me explain and find the answer

Mathematics
1 answer:
yanalaym [24]3 years ago
8 0
1.) *13 hours of tandem bicycles were rented.*
The equation to use would be 12s+17t=519, where s is hours of standard bicycles rented and t is hours of tandem bicycles rented. It says that 22 hours of standard were rented so plug in 22 for s, giving you (12×22)+17t=519. And solve the equation from there.

2.) *C. 65g+55s=6500*
It says to use "g" for general admission tickets and that each costs $65. And use "s" for student admission tickets, with each costing $55. So just put the correct matching cost and variable that it stands for together.

3.) *A. distributive property*
So you start with the distributive property where you have to distribute -2(2x-5). So it should be:
Step 1: x - 2(2x) - 2(-5) = 8
Step 2: x - 4x + 10 = 8
Step 3: -3x + 10 = 8
Step 4: -3x + 10 - 10 = 8 - 10
Step 5: -3x = -2
Step 6: -3x ÷ (-3) = -18 ÷ (-3)
Step 7: x = 6
The problem started with step 1 with distributive property when they forgot to multiply the -2 to the -5, but instead they multiplied +2 which was wrong.
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