SOLUTION: Karen is weighing different children’s blocks. Four red blocks and
five blue blocks weigh 32 ounces. One red block and eight blue
blocks weigh 35 ounces. What is the total weight
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-> SOLUTION: Karen is weighing different children’s blocks. Four red blocks and
five blue blocks weigh 32 ounces. One red block and eight blue
blocks weigh 35 ounces. What is the total weight
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Question 1081499: Karen is weighing different children’s blocks. Four red blocks and
five blue blocks weigh 32 ounces. One red block and eight blue
blocks weigh 35 ounces. What is the total weight of one red and
one blue block? Found 2 solutions by chen, josgarithmetic:Answer by chen(11) (Show Source):
You can put this solution on YOUR website! 4r+5b=32
r+8b=35 so r=35-8b. We substitute to the 1st:
4(35-8b)+5b=32 -->
140-32b+5b=32 --> 27b=108 --> b=4 so r=35-32=3
So r+b=7