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Mathematics 8 Online
chocolateluva77:

sam scored 60% on part A of a math test and 90% on part B of the math test. his total mark in the test was 93. the total possible marks for the test was 120. which system of equations represents this situation? a) {60A + 90B = 93 A + B = 120 b) {0.60A + 0.90B = 93 A + B = 120 c) {60A + 90B = 120 A + B =93 d) {0.60A + 0.90B = 120 A + B = 93 pls explain the steps to getting the answer. ty.

bbftyftydghvc:

ok so u would u have to figure out what y is

bbftyftydghvc:

C. (80A + 92B = 75

chocolateluva77:

there's no y variable

chocolateluva77:

n what does the second reply u posted mean?

bbftyftydghvc:

ok i read that wrong but ur answer is c

chocolateluva77:

so i don't need to convert the percents to decimals?

bbftyftydghvc:

no

chocolateluva77:

okay ty

bbftyftydghvc:

did u get it right

chocolateluva77:

yeah

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