Beading Mat
Posted on Tuesday, June 28th, 2011 at 1:15 am
Easy Ten Points, Math word problems!!!!?
1) The perimeter of a field is 500 feet. Its width (shorter side) is 32 feet less than half its length (longer side). What is its width
2)A college graduate made 28,000 in her first year working. She invested half the money in two CDs that earned 3% and 5% annual interest. After one year she earned 625 in interest. How much was invested in the 3% account?
3)A 5×7 photograph has a rectangular cardboard mat frame that is an equal depth on all four sides. If the total area of the mat is 99 in^2, what is the depth of the mat?
4)An eleven year old girl in Connecticut is making beaded earrings for a tourist shop in Colorado. Supplies cost her $4.20 per pair. Packaging and shipping cost her a total of $23. She can charge the shop $16 per pair. How many pairs must she make to make a total profit of at least $70?
i need every question solved, not just one, if you guys don’t mind =]
1) The perimeter of a field is 500 feet. Its width (shorter side) is 32 feet less than half its length (longer side). What is its width
2l + 2w = 500
1/2L – 32 = w
just solve. start by pluggin in the value of w (from the second eq into the first eq)
2) x=amt at 3% y= amt at 5%
.03x + .05y = 625
x+y= 14000 ……………(28000/2 since she invested half)
3) not sure what they’re asking… if they just mean the area of the mat, that would be the L(w) – 5(7) <= the area of the picture. Or, the could mean the whole area, including the pic.
4) 16x - (23+4.20x) > 70
16x – 23 -4.2x > 70
11.8x > 93
x > 7.8, round up since you can’t have .8 pr of earrings.
BeadSmith Sticky Bead Mat XL
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