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Chloeee_Harris
 3 years ago
Maths Problem: Three nuts and six bolts have a combined mass of 72g. Four nuts and 5 bolts have a combined mass of 66g. Find the combined mass of one nut and one bolt
Chloeee_Harris
 3 years ago
Maths Problem: Three nuts and six bolts have a combined mass of 72g. Four nuts and 5 bolts have a combined mass of 66g. Find the combined mass of one nut and one bolt

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jasonxx
 3 years ago
Best ResponseYou've already chosen the best response.13n+6b=72 4n+5b=66 now multiply equation one by 4 and equation 2 by 3 12n+24b=288 12n+15b=198 now subtract equation one by 2 9b=90 b=10 put b=10 in any equation 3n+6*10=72 3n=7260 3n=12 n=4 therefore nuts=4 and bolts =10

jasonxx
 3 years ago
Best ResponseYou've already chosen the best response.1hope that helps ya miss chloris, by the way thers an option to give medals lol

Chloeee_Harris
 3 years ago
Best ResponseYou've already chosen the best response.0How about these? :(

jasonxx
 3 years ago
Best ResponseYou've already chosen the best response.1its too small i cant see anything

jasonxx
 3 years ago
Best ResponseYou've already chosen the best response.1awesome , ya rock, hold on a sec

jasonxx
 3 years ago
Best ResponseYou've already chosen the best response.1length and width are equal to each other therefore 4a=3b+1 2a3=5b 4a3b=1 2a+b=8 multiply second eqation by 2 4a3b=1 4a+2b=16 now subtract equation 1 from 2 5b=15 b=3 and a= 5/2
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